[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 refundable=a of possible values a) true b) false airlines=g of possible values a) delta airlines b) british airways c) united airlines d) alaska airlines e) air france f) american airlines g) southwest airlines h) air canada destination_city=sd inbound_departure_time=8:25 pm departure_date=6th of this month passengers=d of possible values a) 2 b) 4 c) 3 d) 1 seating_class=dontcare of possible values a) business b) first class c) economy d) premium economy origin_city=las vegas return_date=9th of this month [context] [user] i am looking for a round trip flight.
State: [state] outbound_departure_time=none refundable=none airlines=none destination_city=none inbound_departure_time=none departure_date=none passengers=none seating_class=none origin_city=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] departure_date=6th of this month return_date=9th of this month airlines=c of possible values a) american airlines b) alaska airlines c) southwest airlines d) delta airlines e) air france f) british airways g) air canada h) united airlines destination_city=sd passengers=b of possible values a) 2 b) 1 c) 3 d) 4 inbound_departure_time=8:25 pm refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) business b) economy c) premium economy d) first class outbound_departure_time=3:10 pm origin_city=las vegas [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month.
State: [state] departure_date=none return_date=5th of this month airlines=none destination_city=none passengers=none inbound_departure_time=none refundable=none seating_class=none outbound_departure_time=none origin_city=chicago

[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 outbound_departure_time=3:10 pm destination_city=sd seating_class=dontcare of possible values a) economy b) premium economy c) first class d) business return_date=9th of this month passengers=c of possible values a) 3 b) 2 c) 1 d) 4 airlines=f of possible values a) united airlines b) british airways c) air canada d) air france e) american airlines f) southwest airlines g) alaska airlines h) delta airlines departure_date=6th of this month inbound_departure_time=8:25 pm origin_city=las vegas [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month.
State: [state] refundable=none outbound_departure_time=none destination_city=none seating_class=none return_date=5th of this month passengers=none airlines=none departure_date=3rd of this month inbound_departure_time=none origin_city=chicago

[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 departure_date=6th of this month seating_class=dontcare of possible values a) business b) first class c) premium economy d) economy origin_city=las vegas airlines=b of possible values a) delta airlines b) southwest airlines c) alaska airlines d) air france e) air canada f) british airways g) american airlines h) united airlines outbound_departure_time=3:10 pm passengers=c of possible values a) 4 b) 2 c) 1 d) 3 inbound_departure_time=8:25 pm destination_city=sd refundable=a of possible values a) true b) false [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk.
State: [state] return_date=5th of this month departure_date=3rd of this month seating_class=none origin_city=chicago airlines=none outbound_departure_time=none passengers=none inbound_departure_time=none destination_city=london, uk 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] inbound_departure_time=8:25 pm destination_city=sd refundable=a of possible values a) true b) false seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class origin_city=las vegas return_date=9th of this month airlines=e of possible values a) united airlines b) air canada c) delta airlines d) alaska airlines e) southwest airlines f) air france g) american airlines h) british airways departure_date=6th of this month outbound_departure_time=3:10 pm passengers=a of possible values a) 1 b) 4 c) 3 d) 2 [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk. [system] there is an american airlines flight that costs $400. the outbound flight leaves at 12:30 pm and the return flight leaves at 0:10 am. [user] what other flights are available in economy?
State: [state] inbound_departure_time=none destination_city=london, uk refundable=none seating_class=c origin_city=chicago return_date=5th of this month airlines=none departure_date=3rd of this month outbound_departure_time=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 inbound_departure_time=8:25 pm refundable=b of possible values a) false b) true outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) business b) first class c) economy d) premium economy departure_date=6th of this month passengers=a of possible values a) 1 b) 3 c) 2 d) 4 origin_city=las vegas destination_city=sd airlines=e of possible values a) alaska airlines b) air france c) delta airlines d) american airlines e) southwest airlines f) united airlines g) air canada h) british airways [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk. [system] there is an american airlines flight that costs $400. the outbound flight leaves at 12:30 pm and the return flight leaves at 0:10 am. [user] what other flights are available in economy? [system] there is a delta airlines flight that costs $308. the outbound flight leaves at 9:15 am and the return flight leaves at 8 am. [user] what airport does it fly from? are there any stops?
State: [state] return_date=5th of this month inbound_departure_time=none refundable=none outbound_departure_time=none seating_class=c departure_date=3rd of this month passengers=none origin_city=chicago destination_city=london, uk 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] airlines=d of possible values a) delta airlines b) alaska airlines c) british airways d) southwest airlines e) air france f) air canada g) american airlines h) united airlines seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class passengers=a of possible values a) 1 b) 2 c) 4 d) 3 departure_date=6th of this month return_date=9th of this month destination_city=sd refundable=a of possible values a) true b) false origin_city=las vegas inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk. [system] there is an american airlines flight that costs $400. the outbound flight leaves at 12:30 pm and the return flight leaves at 0:10 am. [user] what other flights are available in economy? [system] there is a delta airlines flight that costs $308. the outbound flight leaves at 9:15 am and the return flight leaves at 8 am. [user] what airport does it fly from? are there any stops? [system] the flight leaves o'hare international airport and has 1 stop. [user] that is perfect.
State: [state] airlines=a seating_class=c passengers=none departure_date=3rd of this month return_date=5th of this month destination_city=london, uk refundable=none origin_city=chicago inbound_departure_time=8 am outbound_departure_time=9:15 am

[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=d of possible values a) 2 b) 3 c) 4 d) 1 refundable=a of possible values a) true b) false departure_date=6th of this month inbound_departure_time=8:25 pm destination_city=sd airlines=d of possible values a) delta airlines b) american airlines c) british airways d) southwest airlines e) alaska airlines f) united airlines g) air canada h) air france return_date=9th of this month outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk. [system] there is an american airlines flight that costs $400. the outbound flight leaves at 12:30 pm and the return flight leaves at 0:10 am. [user] what other flights are available in economy? [system] there is a delta airlines flight that costs $308. the outbound flight leaves at 9:15 am and the return flight leaves at 8 am. [user] what airport does it fly from? are there any stops? [system] the flight leaves o'hare international airport and has 1 stop. [user] that is perfect. [system] do you want to make the reservation? [user] not at this time.
State: [state] origin_city=chicago passengers=none refundable=none departure_date=3rd of this month inbound_departure_time=8 am destination_city=london, uk airlines=a return_date=5th of this month outbound_departure_time=9:15 am 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] 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 inbound_departure_time=8:25 pm airlines=a of possible values a) southwest airlines b) delta airlines c) alaska airlines d) united airlines e) air france f) british airways g) air canada h) american airlines departure_date=6th of this month passengers=b of possible values a) 2 b) 1 c) 3 d) 4 origin_city=las vegas outbound_departure_time=3:10 pm return_date=9th of this month destination_city=sd [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk. [system] there is an american airlines flight that costs $400. the outbound flight leaves at 12:30 pm and the return flight leaves at 0:10 am. [user] what other flights are available in economy? [system] there is a delta airlines flight that costs $308. the outbound flight leaves at 9:15 am and the return flight leaves at 8 am. [user] what airport does it fly from? are there any stops? [system] the flight leaves o'hare international airport and has 1 stop. [user] that is perfect. [system] do you want to make the reservation? [user] not at this time. [system] may i further assist you? [user] i would like 3 tickets for a one-way flight.
State: [state] refundable=none seating_class=a inbound_departure_time=8 am airlines=b departure_date=3rd of this month passengers=c origin_city=chicago outbound_departure_time=9:15 am return_date=5th of this month destination_city=london, uk

[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 inbound_departure_time=8:25 pm airlines=g of possible values a) alaska airlines b) british airways c) air canada d) united airlines e) american airlines f) delta airlines g) southwest airlines h) air france refundable=a of possible values a) true b) false departure_date=6th of this month origin_city=las vegas outbound_departure_time=3:10 pm destination_city=sd seating_class=dontcare of possible values a) business b) first class c) premium economy d) economy passengers=b of possible values a) 2 b) 1 c) 4 d) 3 [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk. [system] there is an american airlines flight that costs $400. the outbound flight leaves at 12:30 pm and the return flight leaves at 0:10 am. [user] what other flights are available in economy? [system] there is a delta airlines flight that costs $308. the outbound flight leaves at 9:15 am and the return flight leaves at 8 am. [user] what airport does it fly from? are there any stops? [system] the flight leaves o'hare international airport and has 1 stop. [user] that is perfect. [system] do you want to make the reservation? [user] not at this time. [system] may i further assist you? [user] i would like 3 tickets for a one-way flight. [system] i found 1 delta airlines flight with 1 stop that costs $314 and it leaves at 9:15 am. [user] is it refundable? which airport does it fly to?
State: [state] return_date=5th of this month inbound_departure_time=8 am airlines=f refundable=none departure_date=3rd of this month origin_city=chicago outbound_departure_time=9:15 am destination_city=london, uk seating_class=d passengers=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] airlines=d of possible values a) british airways b) united airlines c) air france d) southwest airlines e) delta airlines f) alaska 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 refundable=b of possible values a) false b) true destination_city=sd inbound_departure_time=8:25 pm departure_date=6th of this month outbound_departure_time=3:10 pm origin_city=las vegas passengers=c of possible values a) 3 b) 2 c) 1 d) 4 [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk. [system] there is an american airlines flight that costs $400. the outbound flight leaves at 12:30 pm and the return flight leaves at 0:10 am. [user] what other flights are available in economy? [system] there is a delta airlines flight that costs $308. the outbound flight leaves at 9:15 am and the return flight leaves at 8 am. [user] what airport does it fly from? are there any stops? [system] the flight leaves o'hare international airport and has 1 stop. [user] that is perfect. [system] do you want to make the reservation? [user] not at this time. [system] may i further assist you? [user] i would like 3 tickets for a one-way flight. [system] i found 1 delta airlines flight with 1 stop that costs $314 and it leaves at 9:15 am. [user] is it refundable? which airport does it fly to? [system] the non-refundable ticket is for a flight to heathrow international airport. [user] that is perfect.
State: [state] airlines=e seating_class=c return_date=5th of this month refundable=none destination_city=london, uk inbound_departure_time=8 am departure_date=3rd of this month outbound_departure_time=9:15 am origin_city=chicago passengers=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 passengers=c of possible values a) 2 b) 3 c) 1 d) 4 inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm airlines=g of possible values a) united airlines b) air canada c) american airlines d) british airways e) alaska airlines f) delta airlines g) southwest airlines h) air france seating_class=dontcare of possible values a) business b) economy c) premium economy d) first class departure_date=6th of this month destination_city=sd origin_city=las vegas refundable=a of possible values a) true b) false [context] [user] i am looking for a round trip flight. [system] where are you leaving from and when are you returning? [user] i am leaving chicago and want to return on the 5th of this month. [system] when are you leaving? [user] i leave on the 3rd of this month. [system] where are you going? [user] i am going to london, uk. [system] there is an american airlines flight that costs $400. the outbound flight leaves at 12:30 pm and the return flight leaves at 0:10 am. [user] what other flights are available in economy? [system] there is a delta airlines flight that costs $308. the outbound flight leaves at 9:15 am and the return flight leaves at 8 am. [user] what airport does it fly from? are there any stops? [system] the flight leaves o'hare international airport and has 1 stop. [user] that is perfect. [system] do you want to make the reservation? [user] not at this time. [system] may i further assist you? [user] i would like 3 tickets for a one-way flight. [system] i found 1 delta airlines flight with 1 stop that costs $314 and it leaves at 9:15 am. [user] is it refundable? which airport does it fly to? [system] the non-refundable ticket is for a flight to heathrow international airport. [user] that is perfect. [system] may i further assist you? [user] no, that will be all.
State: [state] return_date=5th of this month passengers=b inbound_departure_time=8 am outbound_departure_time=9:15 am airlines=f seating_class=b departure_date=3rd of this month destination_city=london, uk origin_city=chicago refundable=none