[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) 4 b) 2 c) 3 d) 1 refundable=b of possible values a) false b) true outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) premium economy b) economy c) first class d) business origin_city=las vegas return_date=9th of this month departure_date=6th of this month inbound_departure_time=8:25 pm destination_city=sd airlines=e of possible values a) united airlines b) air france c) alaska airlines d) british airways e) southwest airlines f) air canada g) american airlines h) delta airlines [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines.
State: [state] passengers=none refundable=none outbound_departure_time=none seating_class=b origin_city=none return_date=none departure_date=none inbound_departure_time=none destination_city=none airlines=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] inbound_departure_time=8:25 pm return_date=9th of this month seating_class=dontcare of possible values a) premium economy b) business c) first class d) economy origin_city=las vegas departure_date=6th of this month airlines=g of possible values a) american airlines b) alaska airlines c) air canada d) united airlines e) air france f) delta airlines g) southwest airlines h) british airways outbound_departure_time=3:10 pm passengers=d of possible values a) 4 b) 2 c) 3 d) 1 destination_city=sd refundable=b of possible values a) false b) true [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th.
State: [state] inbound_departure_time=none return_date=none seating_class=d origin_city=chi-town departure_date=march 4th airlines=d outbound_departure_time=none passengers=none destination_city=none refundable=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 inbound_departure_time=8:25 pm airlines=g of possible values a) united airlines b) american airlines c) air france d) air canada e) delta airlines f) british airways g) southwest airlines h) alaska airlines destination_city=sd seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class departure_date=6th of this month return_date=9th of this month passengers=d of possible values a) 2 b) 4 c) 3 d) 1 refundable=b of possible values a) false b) true origin_city=las vegas [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa.
State: [state] outbound_departure_time=none inbound_departure_time=none airlines=a destination_city=seattle, wa seating_class=a departure_date=march 4th return_date=none passengers=none refundable=none origin_city=chi-town

[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 return_date=9th of this month inbound_departure_time=8:25 pm airlines=d of possible values a) british airways b) air canada c) american airlines d) southwest airlines e) united airlines f) alaska airlines g) delta airlines h) air france outbound_departure_time=3:10 pm origin_city=las vegas destination_city=sd passengers=c of possible values a) 4 b) 2 c) 1 d) 3 refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) business b) premium economy c) first class d) economy [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable?
State: [state] departure_date=march 4th return_date=none inbound_departure_time=none airlines=e outbound_departure_time=none origin_city=chi-town destination_city=seattle, wa passengers=none refundable=none seating_class=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] origin_city=las vegas passengers=b of possible values a) 3 b) 1 c) 2 d) 4 departure_date=6th of this month destination_city=sd refundable=a of possible values a) true b) false return_date=9th of this month seating_class=dontcare of possible values a) first class b) economy c) business d) premium economy inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm airlines=e of possible values a) delta airlines b) american airlines c) united airlines d) british airways e) southwest airlines f) air france g) air canada h) alaska airlines [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from?
State: [state] origin_city=chi-town passengers=none departure_date=march 4th destination_city=seattle, wa refundable=none return_date=none seating_class=b inbound_departure_time=none outbound_departure_time=none airlines=c

[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 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 airlines=d of possible values a) air canada b) delta airlines c) british airways d) southwest airlines e) air france f) united airlines g) american airlines h) alaska airlines passengers=a of possible values a) 1 b) 2 c) 4 d) 3 origin_city=las vegas destination_city=sd seating_class=dontcare of possible values a) first class b) business c) premium economy d) economy [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from? [system] the flight leaves from o'hare international airport. [user] that one sounds good for me.
State: [state] outbound_departure_time=3:50 pm departure_date=march 4th inbound_departure_time=none refundable=none return_date=none airlines=f passengers=none origin_city=chi-town destination_city=seattle, wa seating_class=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] refundable=b of possible values a) false b) true departure_date=6th of this month return_date=9th of this month outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm airlines=c of possible values a) united airlines b) british airways c) southwest airlines d) american airlines e) air france f) delta airlines g) air canada h) alaska airlines origin_city=las vegas passengers=d of possible values a) 3 b) 4 c) 2 d) 1 destination_city=sd seating_class=dontcare of possible values a) economy b) first class c) premium economy d) business [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from? [system] the flight leaves from o'hare international airport. [user] that one sounds good for me. [system] do you want to buy tickets now? [user] no, thanks, not now.
State: [state] refundable=none departure_date=march 4th return_date=none outbound_departure_time=3:50 pm inbound_departure_time=none airlines=a origin_city=chi-town passengers=none destination_city=seattle, wa seating_class=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] return_date=9th of this month origin_city=las vegas inbound_departure_time=8:25 pm airlines=f of possible values a) delta airlines b) british airways c) united airlines d) american airlines e) alaska airlines f) southwest airlines g) air france h) air canada passengers=d of possible values a) 3 b) 4 c) 2 d) 1 destination_city=sd refundable=a of possible values a) true b) false outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) first class b) premium economy c) business d) economy departure_date=6th of this month [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from? [system] the flight leaves from o'hare international airport. [user] that one sounds good for me. [system] do you want to buy tickets now? [user] no, thanks, not now. [system] is there anything else i can help you with today? [user] could you check round-trip flights for me instead? i want to return on the 6th of march.
State: [state] return_date=6th of march origin_city=chi-town inbound_departure_time=none airlines=c passengers=none destination_city=seattle, wa refundable=none outbound_departure_time=3:50 pm seating_class=d departure_date=march 4th

[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 passengers=a of possible values a) 1 b) 4 c) 3 d) 2 departure_date=6th of this month refundable=b of possible values a) false b) true destination_city=sd origin_city=las vegas inbound_departure_time=8:25 pm return_date=9th of this month seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class airlines=g of possible values a) air france b) delta airlines c) british airways d) american airlines e) air canada f) alaska airlines g) southwest airlines h) united airlines [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from? [system] the flight leaves from o'hare international airport. [user] that one sounds good for me. [system] do you want to buy tickets now? [user] no, thanks, not now. [system] is there anything else i can help you with today? [user] could you check round-trip flights for me instead? i want to return on the 6th of march. [system] united airlines has an outbound flight leaving at 3:50 pm, with return flight leaving at 5:55 pm, for $173. [user] which airport would i leave from, and where does it arrive?
State: [state] outbound_departure_time=3:50 pm passengers=none departure_date=march 4th refundable=none destination_city=seattle, wa origin_city=chi-town inbound_departure_time=none return_date=6th of march seating_class=c airlines=h

[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 origin_city=las vegas airlines=f of possible values a) american airlines b) air france c) delta airlines d) air canada e) united airlines f) southwest airlines g) british airways h) alaska airlines departure_date=6th of this month return_date=9th of this month outbound_departure_time=3:10 pm passengers=d of possible values a) 2 b) 4 c) 3 d) 1 refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class inbound_departure_time=8:25 pm [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from? [system] the flight leaves from o'hare international airport. [user] that one sounds good for me. [system] do you want to buy tickets now? [user] no, thanks, not now. [system] is there anything else i can help you with today? [user] could you check round-trip flights for me instead? i want to return on the 6th of march. [system] united airlines has an outbound flight leaving at 3:50 pm, with return flight leaving at 5:55 pm, for $173. [user] which airport would i leave from, and where does it arrive? [system] the flight departs from o'hare international airport and arrives at seattle-tacoma international airport. [user] that one sounds good to me.
State: [state] destination_city=seattle, wa origin_city=chi-town airlines=e departure_date=march 4th return_date=6th of march outbound_departure_time=3:50 pm passengers=none refundable=none seating_class=a inbound_departure_time=5:55 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] airlines=b of possible values a) delta airlines b) southwest airlines c) air canada d) air france e) american airlines f) alaska airlines g) united airlines h) british airways return_date=9th of this month departure_date=6th of this month origin_city=las vegas refundable=a of possible values a) true b) false outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) first class b) economy c) premium economy d) business destination_city=sd passengers=d of possible values a) 3 b) 2 c) 4 d) 1 [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from? [system] the flight leaves from o'hare international airport. [user] that one sounds good for me. [system] do you want to buy tickets now? [user] no, thanks, not now. [system] is there anything else i can help you with today? [user] could you check round-trip flights for me instead? i want to return on the 6th of march. [system] united airlines has an outbound flight leaving at 3:50 pm, with return flight leaving at 5:55 pm, for $173. [user] which airport would i leave from, and where does it arrive? [system] the flight departs from o'hare international airport and arrives at seattle-tacoma international airport. [user] that one sounds good to me. [system] do you want to purchase tickets now? [user] yes, i would like to book tickets now. there are 4 people in my group.
State: [state] airlines=g return_date=6th of march departure_date=march 4th origin_city=chi-town refundable=none outbound_departure_time=3:50 pm inbound_departure_time=5:55 pm seating_class=b destination_city=seattle, wa passengers=c

[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 airlines=c of possible values a) air france b) american airlines c) southwest airlines d) british airways e) united airlines f) delta airlines g) alaska airlines h) air canada seating_class=dontcare of possible values a) first class b) premium economy c) business d) economy inbound_departure_time=8:25 pm origin_city=las vegas departure_date=6th of this month refundable=a of possible values a) true b) false passengers=a of possible values a) 1 b) 3 c) 4 d) 2 destination_city=sd outbound_departure_time=3:10 pm [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from? [system] the flight leaves from o'hare international airport. [user] that one sounds good for me. [system] do you want to buy tickets now? [user] no, thanks, not now. [system] is there anything else i can help you with today? [user] could you check round-trip flights for me instead? i want to return on the 6th of march. [system] united airlines has an outbound flight leaving at 3:50 pm, with return flight leaving at 5:55 pm, for $173. [user] which airport would i leave from, and where does it arrive? [system] the flight departs from o'hare international airport and arrives at seattle-tacoma international airport. [user] that one sounds good to me. [system] do you want to purchase tickets now? [user] yes, i would like to book tickets now. there are 4 people in my group. [system] please confirm: you are booking a flight for 4 passengers in economy class on united airlines. your flight leaves chicago for seattle next monday at 3:50 pm, and returns next wednesday at 5:55 pm. [user] yes, that's good.
State: [state] return_date=6th of march airlines=e seating_class=d inbound_departure_time=5:55 pm origin_city=chi-town departure_date=march 4th refundable=none passengers=c destination_city=seattle outbound_departure_time=3:50 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] outbound_departure_time=3:10 pm origin_city=las vegas departure_date=6th of this month inbound_departure_time=8:25 pm passengers=d of possible values a) 4 b) 2 c) 3 d) 1 destination_city=sd airlines=e of possible values a) british airways b) united airlines c) air canada d) delta airlines e) southwest airlines f) alaska airlines g) american airlines h) air france seating_class=dontcare of possible values a) first class b) economy c) business d) premium economy refundable=a of possible values a) true b) false return_date=9th of this month [context] [user] i need help finding a one-way flight. i prefer economy flights on united airlines. [system] i can help you with that. where will you be leaving from, and on what date? [user] i am leaving from chi-town on march 4th. [system] what's your destination? [user] i am going to seattle, wa. [system] united airlines has 1 flight leaving at 3:50 pm with 0 stops for $158. [user] is that ticket refundable? [system] no, unfortunately it is not. [user] what airport does that leave from? [system] the flight leaves from o'hare international airport. [user] that one sounds good for me. [system] do you want to buy tickets now? [user] no, thanks, not now. [system] is there anything else i can help you with today? [user] could you check round-trip flights for me instead? i want to return on the 6th of march. [system] united airlines has an outbound flight leaving at 3:50 pm, with return flight leaving at 5:55 pm, for $173. [user] which airport would i leave from, and where does it arrive? [system] the flight departs from o'hare international airport and arrives at seattle-tacoma international airport. [user] that one sounds good to me. [system] do you want to purchase tickets now? [user] yes, i would like to book tickets now. there are 4 people in my group. [system] please confirm: you are booking a flight for 4 passengers in economy class on united airlines. your flight leaves chicago for seattle next monday at 3:50 pm, and returns next wednesday at 5:55 pm. [user] yes, that's good. [system] your tickets are now confirmed. [user] thanks for your help. that's all.
State: [state] outbound_departure_time=3:50 pm origin_city=chi-town departure_date=march 4th inbound_departure_time=5:55 pm passengers=a destination_city=seattle airlines=b seating_class=b refundable=none return_date=6th of march