[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] origin_city=las vegas departure_date=6th of this month airlines=e of possible values a) delta airlines b) air france c) alaska airlines d) british airways e) southwest airlines f) united airlines g) air canada h) american airlines seating_class=dontcare of possible values a) business b) first class c) economy d) premium economy return_date=9th of this month outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm destination_city=sd passengers=c of possible values a) 3 b) 2 c) 1 d) 4 refundable=b of possible values a) false b) true [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights?
State: [state] origin_city=none departure_date=none airlines=none seating_class=none return_date=none outbound_departure_time=none inbound_departure_time=none destination_city=none passengers=none refundable=b

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm passengers=c of possible values a) 2 b) 3 c) 1 d) 4 return_date=9th of this month seating_class=dontcare of possible values a) first class b) economy c) premium economy d) business departure_date=6th of this month airlines=f of possible values a) alaska airlines b) british airways c) air canada d) delta airlines e) american airlines f) southwest airlines g) air france h) united airlines origin_city=las vegas destination_city=sd refundable=a of possible values a) true b) false [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington.
State: [state] inbound_departure_time=none outbound_departure_time=none passengers=none return_date=none seating_class=none departure_date=none airlines=none origin_city=none destination_city=washington refundable=a

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) premium economy b) business c) first class d) economy departure_date=6th of this month inbound_departure_time=8:25 pm refundable=b of possible values a) false b) true return_date=9th of this month passengers=b of possible values a) 3 b) 1 c) 2 d) 4 destination_city=sd airlines=e of possible values a) air canada b) american airlines c) british airways d) united airlines e) southwest airlines f) delta airlines g) alaska airlines h) air france origin_city=las vegas [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week.
State: [state] outbound_departure_time=none seating_class=none departure_date=wednesday next week inbound_departure_time=none refundable=b return_date=none passengers=none destination_city=washington airlines=none origin_city=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] origin_city=las vegas airlines=g of possible values a) british airways b) alaska airlines c) american airlines d) air canada e) delta airlines f) air france g) southwest airlines h) united airlines return_date=9th of this month seating_class=dontcare of possible values a) business b) premium economy c) economy d) first class outbound_departure_time=3:10 pm passengers=c of possible values a) 2 b) 4 c) 1 d) 3 destination_city=sd departure_date=6th of this month refundable=a of possible values a) true b) false inbound_departure_time=8:25 pm [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating.
State: [state] origin_city=seattle airlines=none return_date=none seating_class=c outbound_departure_time=none passengers=none destination_city=washington departure_date=wednesday next week refundable=a inbound_departure_time=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] inbound_departure_time=8:25 pm refundable=a of possible values a) true b) false outbound_departure_time=3:10 pm passengers=d of possible values a) 4 b) 2 c) 3 d) 1 departure_date=6th of this month destination_city=sd seating_class=dontcare of possible values a) economy b) first class c) premium economy d) business origin_city=las vegas return_date=9th of this month airlines=b of possible values a) air france b) southwest airlines c) alaska airlines d) american airlines e) british airways f) air canada g) united airlines h) delta airlines [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights?
State: [state] inbound_departure_time=none refundable=a outbound_departure_time=none passengers=none departure_date=wednesday next week destination_city=washington seating_class=a origin_city=seattle return_date=none airlines=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] destination_city=sd airlines=d of possible values a) united airlines b) air canada c) alaska airlines d) southwest airlines e) air france f) delta airlines g) british airways h) american airlines inbound_departure_time=8:25 pm departure_date=6th of this month return_date=9th of this month seating_class=dontcare of possible values a) business b) first class c) premium economy d) economy origin_city=las vegas passengers=c of possible values a) 4 b) 3 c) 1 d) 2 outbound_departure_time=3:10 pm refundable=a of possible values a) true b) false [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of?
State: [state] destination_city=washington airlines=none inbound_departure_time=none departure_date=wednesday next week return_date=none seating_class=d origin_city=seattle passengers=none outbound_departure_time=none refundable=a

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] refundable=b of possible values a) false b) true airlines=b of possible values a) air france b) southwest airlines c) united airlines d) delta airlines e) alaska airlines f) air canada g) british airways h) american airlines destination_city=sd inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm origin_city=las vegas return_date=9th of this month departure_date=6th of this month seating_class=dontcare of possible values a) premium economy b) first class c) business d) economy passengers=d of possible values a) 3 b) 4 c) 2 d) 1 [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights?
State: [state] refundable=b airlines=none destination_city=washington inbound_departure_time=none outbound_departure_time=none origin_city=seattle return_date=none departure_date=wednesday next week seating_class=d passengers=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] seating_class=dontcare of possible values a) first class b) economy c) business d) premium economy destination_city=sd airlines=d of possible values a) united airlines b) delta airlines c) air canada d) southwest airlines e) air france f) alaska airlines g) american airlines h) british airways departure_date=6th of this month origin_city=las vegas inbound_departure_time=8:25 pm refundable=a of possible values a) true b) false passengers=b of possible values a) 3 b) 1 c) 2 d) 4 return_date=9th of this month outbound_departure_time=3:10 pm [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good.
State: [state] seating_class=b destination_city=washington airlines=a departure_date=wednesday next week origin_city=seattle inbound_departure_time=none refundable=a passengers=none return_date=none outbound_departure_time=9:05 pm

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] departure_date=6th of this month outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class destination_city=sd passengers=b of possible values a) 3 b) 1 c) 4 d) 2 inbound_departure_time=8:25 pm origin_city=las vegas refundable=b of possible values a) false b) true airlines=e of possible values a) delta airlines b) british airways c) united airlines d) alaska airlines e) southwest airlines f) american airlines g) air france h) air canada return_date=9th of this month [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now.
State: [state] departure_date=wednesday next week outbound_departure_time=9:05 pm seating_class=c destination_city=washington passengers=none inbound_departure_time=none origin_city=seattle refundable=b airlines=c return_date=none

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] origin_city=las vegas airlines=f of possible values a) alaska airlines b) american airlines c) united airlines d) british airways e) air france f) southwest airlines g) air canada h) delta airlines outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm return_date=9th of this month passengers=d of possible values a) 3 b) 4 c) 2 d) 1 departure_date=6th of this month refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) economy b) first class c) premium economy d) business destination_city=sd [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now. [system] can i help you with anything else? [user] how about round trip flights for 1 person?
State: [state] origin_city=seattle airlines=c outbound_departure_time=9:05 pm inbound_departure_time=none return_date=none passengers=d departure_date=wednesday next week refundable=b seating_class=a destination_city=washington

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] destination_city=sd return_date=9th of this month inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) premium economy b) first class c) economy d) business airlines=c of possible values a) delta airlines b) air france c) southwest airlines d) united airlines e) air canada f) alaska airlines g) american airlines h) british airways passengers=c of possible values a) 2 b) 4 c) 1 d) 3 origin_city=las vegas outbound_departure_time=3:10 pm refundable=b of possible values a) false b) true departure_date=6th of this month [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now. [system] can i help you with anything else? [user] how about round trip flights for 1 person? [system] what return date did you want? [user] i want to get back on the 10th of this month.
State: [state] destination_city=washington return_date=10th of this month inbound_departure_time=none seating_class=c airlines=d passengers=c origin_city=seattle outbound_departure_time=9:05 pm refundable=b departure_date=wednesday next week

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm airlines=c of possible values a) alaska airlines b) air france c) southwest airlines d) air canada e) united airlines f) delta airlines g) british airways h) american airlines refundable=b of possible values a) false b) true destination_city=sd return_date=9th of this month passengers=b of possible values a) 3 b) 1 c) 2 d) 4 seating_class=dontcare of possible values a) economy b) first class c) business d) premium economy origin_city=las vegas departure_date=6th of this month [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now. [system] can i help you with anything else? [user] how about round trip flights for 1 person? [system] what return date did you want? [user] i want to get back on the 10th of this month. [system] i found 1 united airlines flight for $265 that leaves at 9:05 pm and returns at 5:15 pm. [user] which airports would i be going in and out of?
State: [state] inbound_departure_time=none outbound_departure_time=9:05 pm airlines=e refundable=b destination_city=washington return_date=10th of this month passengers=b seating_class=a origin_city=seattle departure_date=wednesday next week

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] passengers=a of possible values a) 1 b) 4 c) 3 d) 2 departure_date=6th of this month seating_class=dontcare of possible values a) business b) premium economy c) economy d) first class inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm refundable=a of possible values a) true b) false return_date=9th of this month origin_city=las vegas airlines=h of possible values a) united airlines b) air france c) american airlines d) air canada e) delta airlines f) alaska airlines g) british airways h) southwest airlines destination_city=sd [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now. [system] can i help you with anything else? [user] how about round trip flights for 1 person? [system] what return date did you want? [user] i want to get back on the 10th of this month. [system] i found 1 united airlines flight for $265 that leaves at 9:05 pm and returns at 5:15 pm. [user] which airports would i be going in and out of? [system] departure is from seattle-tacoma international airport and arrival is at dulles international airport. [user] sounds good to me.
State: [state] passengers=a departure_date=wednesday next week seating_class=c inbound_departure_time=5:15 pm outbound_departure_time=9:05 pm refundable=a return_date=10th of this month origin_city=seattle airlines=a destination_city=washington

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] passengers=a of possible values a) 1 b) 4 c) 2 d) 3 destination_city=sd return_date=9th of this month airlines=h of possible values a) air france b) alaska airlines c) american airlines d) british airways e) air canada f) delta airlines g) united airlines h) southwest airlines outbound_departure_time=3:10 pm departure_date=6th of this month seating_class=dontcare of possible values a) first class b) business c) premium economy d) economy refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm origin_city=las vegas [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now. [system] can i help you with anything else? [user] how about round trip flights for 1 person? [system] what return date did you want? [user] i want to get back on the 10th of this month. [system] i found 1 united airlines flight for $265 that leaves at 9:05 pm and returns at 5:15 pm. [user] which airports would i be going in and out of? [system] departure is from seattle-tacoma international airport and arrival is at dulles international airport. [user] sounds good to me. [system] did you want to book the flight? [user] yes, let's book this flight.
State: [state] passengers=a destination_city=washington return_date=10th of this month airlines=g outbound_departure_time=9:05 pm departure_date=wednesday next week seating_class=d refundable=b inbound_departure_time=5:15 pm origin_city=seattle

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] airlines=d of possible values a) air canada b) american airlines c) delta airlines d) southwest airlines e) united airlines f) air france g) alaska airlines h) british airways outbound_departure_time=3:10 pm refundable=b of possible values a) false b) true passengers=b of possible values a) 2 b) 1 c) 4 d) 3 inbound_departure_time=8:25 pm return_date=9th of this month destination_city=sd origin_city=las vegas departure_date=6th of this month seating_class=dontcare of possible values a) business b) economy c) first class d) premium economy [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now. [system] can i help you with anything else? [user] how about round trip flights for 1 person? [system] what return date did you want? [user] i want to get back on the 10th of this month. [system] i found 1 united airlines flight for $265 that leaves at 9:05 pm and returns at 5:15 pm. [user] which airports would i be going in and out of? [system] departure is from seattle-tacoma international airport and arrival is at dulles international airport. [user] sounds good to me. [system] did you want to book the flight? [user] yes, let's book this flight. [system] please confirm: united airlines flight for 1 passenger in economy seating, leaving from seattle next wednesday at 9:05 pm, and returning from washington on march 10th at 5:15 pm. [user] that's good. what arrival times am i looking at for both flights?
State: [state] airlines=e outbound_departure_time=9:05 pm refundable=b passengers=b inbound_departure_time=5:15 pm return_date=10th of this month destination_city=washington origin_city=seattle departure_date=wednesday next week seating_class=b

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] seating_class=dontcare of possible values a) economy b) business c) premium economy d) first class origin_city=las vegas passengers=a of possible values a) 1 b) 2 c) 3 d) 4 inbound_departure_time=8:25 pm return_date=9th of this month destination_city=sd airlines=a of possible values a) southwest airlines b) american airlines c) british airways d) alaska airlines e) air france f) united airlines g) delta airlines h) air canada outbound_departure_time=3:10 pm departure_date=6th of this month refundable=b of possible values a) false b) true [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now. [system] can i help you with anything else? [user] how about round trip flights for 1 person? [system] what return date did you want? [user] i want to get back on the 10th of this month. [system] i found 1 united airlines flight for $265 that leaves at 9:05 pm and returns at 5:15 pm. [user] which airports would i be going in and out of? [system] departure is from seattle-tacoma international airport and arrival is at dulles international airport. [user] sounds good to me. [system] did you want to book the flight? [user] yes, let's book this flight. [system] please confirm: united airlines flight for 1 passenger in economy seating, leaving from seattle next wednesday at 9:05 pm, and returning from washington on march 10th at 5:15 pm. [user] that's good. what arrival times am i looking at for both flights? [system] your ticket has been purchased. washington arrival time is 5:53 am, and seattle arrival time is 9:52 pm. [user] thanks for your help.
State: [state] seating_class=a origin_city=seattle passengers=a inbound_departure_time=5:15 pm return_date=10th of this month destination_city=washington airlines=f outbound_departure_time=9:05 pm departure_date=wednesday next week refundable=b

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] origin_city=las vegas inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm refundable=a of possible values a) true b) false seating_class=dontcare of possible values a) economy b) first class c) business d) premium economy airlines=b of possible values a) delta airlines b) southwest airlines c) air france d) united airlines e) american airlines f) british airways g) air canada h) alaska airlines departure_date=6th of this month return_date=9th of this month destination_city=sd passengers=c of possible values a) 2 b) 4 c) 1 d) 3 [context] [user] i may have to fly out for a family emergency. can you help me find refundable tickets for one-way flights? [system] where are you flying to? [user] i'm going to washington. [system] what date would you like? [user] i'm leaving on wednesday next week. [system] what city will you be flying out of? [user] i'm leaving from seattle and would like to go in economy seating. [system] there is an american airlines flight for $321 that leaves at 4:55 am and has 1 stop. [user] are there any other flights? [system] there is a delta airlines flight for $179 that leaves at 6:25 pm and has 0 stops. [user] which airports will i be flying in and out of? [system] departure is from seattle-tacoma international airport, arriving at dulles international airport. [user] are there any other flights? [system] there is a united airlines flight for $203 that leaves at 9:05 pm and has 0 stops. [user] that one sounds good. [system] would you like to book the flight? [user] no, not right now. [system] can i help you with anything else? [user] how about round trip flights for 1 person? [system] what return date did you want? [user] i want to get back on the 10th of this month. [system] i found 1 united airlines flight for $265 that leaves at 9:05 pm and returns at 5:15 pm. [user] which airports would i be going in and out of? [system] departure is from seattle-tacoma international airport and arrival is at dulles international airport. [user] sounds good to me. [system] did you want to book the flight? [user] yes, let's book this flight. [system] please confirm: united airlines flight for 1 passenger in economy seating, leaving from seattle next wednesday at 9:05 pm, and returning from washington on march 10th at 5:15 pm. [user] that's good. what arrival times am i looking at for both flights? [system] your ticket has been purchased. washington arrival time is 5:53 am, and seattle arrival time is 9:52 pm. [user] thanks for your help. [system] is there anything else i can help you with? [user] no, that's all.
State: [state] origin_city=seattle inbound_departure_time=5:15 pm outbound_departure_time=9:05 pm refundable=a seating_class=a airlines=d departure_date=wednesday next week return_date=10th of this month destination_city=washington passengers=c