[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 seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy airlines=b of possible values a) delta airlines b) southwest airlines c) american airlines d) air canada e) air france f) british airways g) alaska airlines h) united airlines origin_city=las vegas refundable=b of possible values a) false b) true passengers=b of possible values a) 3 b) 1 c) 2 d) 4 destination_city=sd inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm return_date=9th of this month [context] [user] can you search for round trip flights to vegas? i am going on a trip soon.
State: [state] departure_date=none seating_class=none airlines=none origin_city=none refundable=none passengers=none destination_city=vegas inbound_departure_time=none outbound_departure_time=none 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] refundable=a of possible values a) true b) false inbound_departure_time=8:25 pm departure_date=6th of this month outbound_departure_time=3:10 pm origin_city=las vegas return_date=9th of this month destination_city=sd seating_class=dontcare of possible values a) first class b) premium economy c) economy d) business airlines=d of possible values a) british airways b) alaska airlines c) air france d) southwest airlines e) delta airlines f) american airlines g) air canada h) united airlines passengers=b of possible values a) 2 b) 1 c) 3 d) 4 [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl.
State: [state] refundable=none inbound_departure_time=none departure_date=none outbound_departure_time=none origin_city=atl return_date=none destination_city=vegas seating_class=none airlines=none 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] return_date=9th of this month outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm departure_date=6th of this month seating_class=dontcare of possible values a) business b) economy c) first class d) premium economy destination_city=sd origin_city=las vegas airlines=b of possible values a) united airlines b) southwest airlines c) american airlines d) delta airlines e) air france f) alaska airlines g) air canada h) british airways refundable=b of possible values a) false b) true passengers=c of possible values a) 3 b) 4 c) 1 d) 2 [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl. [system] when are you returning? [user] i am returning march 8th and i would prefer to travel economy.
State: [state] return_date=march 8th outbound_departure_time=none inbound_departure_time=none departure_date=none seating_class=b destination_city=vegas origin_city=atl airlines=none refundable=none 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] refundable=b of possible values a) false b) true departure_date=6th of this month origin_city=las vegas destination_city=sd inbound_departure_time=8:25 pm airlines=g of possible values a) delta airlines b) air france c) american airlines d) air canada e) united airlines f) alaska airlines g) southwest airlines h) british airways return_date=9th of this month seating_class=dontcare of possible values a) premium economy b) first class c) economy d) business passengers=b of possible values a) 3 b) 1 c) 2 d) 4 outbound_departure_time=3:10 pm [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl. [system] when are you returning? [user] i am returning march 8th and i would prefer to travel economy. [system] when are you planning on leaving? [user] leaving on the 1st.
State: [state] refundable=none departure_date=the 1st origin_city=atl destination_city=vegas inbound_departure_time=none airlines=none return_date=march 8th seating_class=c passengers=none outbound_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] passengers=d of possible values a) 3 b) 2 c) 4 d) 1 destination_city=sd return_date=9th of this month origin_city=las vegas outbound_departure_time=3:10 pm airlines=b of possible values a) united airlines b) southwest airlines c) air canada d) british airways e) air france f) delta airlines g) american airlines h) alaska airlines refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) first class b) premium economy c) economy d) business departure_date=6th of this month inbound_departure_time=8:25 pm [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl. [system] when are you returning? [user] i am returning march 8th and i would prefer to travel economy. [system] when are you planning on leaving? [user] leaving on the 1st. [system] ok, there is a flight with southwest airlines that leaves at 6:30 am and returns at 2:25 pm for $279. [user] are there any other available flights?
State: [state] passengers=none destination_city=vegas return_date=march 8th origin_city=atl outbound_departure_time=none airlines=none refundable=none seating_class=c departure_date=the 1st 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 origin_city=las vegas destination_city=sd airlines=b of possible values a) air canada b) southwest airlines c) delta airlines d) united airlines e) american airlines f) british airways g) alaska airlines h) air france seating_class=dontcare of possible values a) economy b) first class c) business d) premium economy refundable=b of possible values a) false b) true return_date=9th of this month departure_date=6th of this month outbound_departure_time=3:10 pm passengers=c of possible values a) 4 b) 3 c) 1 d) 2 [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl. [system] when are you returning? [user] i am returning march 8th and i would prefer to travel economy. [system] when are you planning on leaving? [user] leaving on the 1st. [system] ok, there is a flight with southwest airlines that leaves at 6:30 am and returns at 2:25 pm for $279. [user] are there any other available flights? [system] united airlines has a flight leaving at 3 pm and returning at 3:05 pm for $277. [user] that flight sounds better.
State: [state] inbound_departure_time=3:05 pm origin_city=atl destination_city=vegas airlines=d seating_class=a refundable=none return_date=march 8th departure_date=the 1st outbound_departure_time=3 pm 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] passengers=c of possible values a) 2 b) 3 c) 1 d) 4 departure_date=6th of this month origin_city=las vegas return_date=9th of this month destination_city=sd seating_class=dontcare of possible values a) first class b) business c) premium economy d) economy inbound_departure_time=8:25 pm refundable=a of possible values a) true b) false outbound_departure_time=3:10 pm airlines=g of possible values a) air canada b) air france c) delta airlines d) united airlines e) british airways f) american airlines g) southwest airlines h) alaska airlines [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl. [system] when are you returning? [user] i am returning march 8th and i would prefer to travel economy. [system] when are you planning on leaving? [user] leaving on the 1st. [system] ok, there is a flight with southwest airlines that leaves at 6:30 am and returns at 2:25 pm for $279. [user] are there any other available flights? [system] united airlines has a flight leaving at 3 pm and returning at 3:05 pm for $277. [user] that flight sounds better. [system] are you ready for me to purchase the ticket now? [user] not quite. can you look for one-way flights?
State: [state] passengers=none departure_date=the 1st origin_city=atl return_date=march 8th destination_city=vegas seating_class=d inbound_departure_time=3:05 pm refundable=none outbound_departure_time=3 pm airlines=d

[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) economy c) business d) first class return_date=9th of this month inbound_departure_time=8:25 pm passengers=a of possible values a) 1 b) 2 c) 3 d) 4 origin_city=las vegas departure_date=6th of this month destination_city=sd refundable=b of possible values a) false b) true airlines=b of possible values a) air france b) southwest airlines c) delta airlines d) american airlines e) british airways f) alaska airlines g) united airlines h) air canada [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl. [system] when are you returning? [user] i am returning march 8th and i would prefer to travel economy. [system] when are you planning on leaving? [user] leaving on the 1st. [system] ok, there is a flight with southwest airlines that leaves at 6:30 am and returns at 2:25 pm for $279. [user] are there any other available flights? [system] united airlines has a flight leaving at 3 pm and returning at 3:05 pm for $277. [user] that flight sounds better. [system] are you ready for me to purchase the ticket now? [user] not quite. can you look for one-way flights? [system] i found 1 for united airlines with 1 stop leaving at 3 pm for $255. [user] what is the arrival airport and is the ticket refundable?
State: [state] outbound_departure_time=3 pm seating_class=b return_date=march 8th inbound_departure_time=3:05 pm passengers=none origin_city=atl departure_date=the 1st destination_city=vegas refundable=none airlines=g

[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 destination_city=sd origin_city=las vegas return_date=9th of this month airlines=d of possible values a) united airlines b) air canada c) british airways d) southwest airlines e) alaska airlines f) delta airlines g) american airlines h) air france inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) premium economy b) business c) first class d) economy refundable=b of possible values a) false b) true passengers=a of possible values a) 1 b) 3 c) 2 d) 4 [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl. [system] when are you returning? [user] i am returning march 8th and i would prefer to travel economy. [system] when are you planning on leaving? [user] leaving on the 1st. [system] ok, there is a flight with southwest airlines that leaves at 6:30 am and returns at 2:25 pm for $279. [user] are there any other available flights? [system] united airlines has a flight leaving at 3 pm and returning at 3:05 pm for $277. [user] that flight sounds better. [system] are you ready for me to purchase the ticket now? [user] not quite. can you look for one-way flights? [system] i found 1 for united airlines with 1 stop leaving at 3 pm for $255. [user] what is the arrival airport and is the ticket refundable? [system] the ticket is no refundable and the flight arrives at mccarran international airport. [user] ok, this flight sounds good. i will take it.
State: [state] departure_date=the 1st outbound_departure_time=3 pm destination_city=vegas origin_city=atl return_date=march 8th airlines=a inbound_departure_time=3:05 pm seating_class=d refundable=none 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] outbound_departure_time=3:10 pm return_date=9th of this month passengers=a of possible values a) 1 b) 3 c) 4 d) 2 departure_date=6th of this month airlines=f of possible values a) air france b) air canada c) american airlines d) alaska airlines e) united airlines f) southwest airlines g) british airways h) delta airlines refundable=a of possible values a) true b) false inbound_departure_time=8:25 pm destination_city=sd origin_city=las vegas seating_class=dontcare of possible values a) premium economy b) business c) first class d) economy [context] [user] can you search for round trip flights to vegas? i am going on a trip soon. [system] where are you leaving from? [user] leaving from atl. [system] when are you returning? [user] i am returning march 8th and i would prefer to travel economy. [system] when are you planning on leaving? [user] leaving on the 1st. [system] ok, there is a flight with southwest airlines that leaves at 6:30 am and returns at 2:25 pm for $279. [user] are there any other available flights? [system] united airlines has a flight leaving at 3 pm and returning at 3:05 pm for $277. [user] that flight sounds better. [system] are you ready for me to purchase the ticket now? [user] not quite. can you look for one-way flights? [system] i found 1 for united airlines with 1 stop leaving at 3 pm for $255. [user] what is the arrival airport and is the ticket refundable? [system] the ticket is no refundable and the flight arrives at mccarran international airport. [user] ok, this flight sounds good. i will take it. [system] is there anything else i can help you with? [user] no, that is all. thank you.
State: [state] outbound_departure_time=3 pm return_date=march 8th passengers=none departure_date=the 1st airlines=e refundable=none inbound_departure_time=3:05 pm destination_city=vegas origin_city=atl seating_class=d