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

[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) premium economy b) first class c) economy d) business return_date=9th of this month departure_date=6th of this month origin_city=las vegas passengers=a of possible values a) 1 b) 4 c) 2 d) 3 refundable=b of possible values a) false b) true outbound_departure_time=3:10 pm destination_city=sd airlines=b of possible values a) air canada b) southwest airlines c) british airways d) american airlines e) delta airlines f) united airlines g) alaska airlines h) air france inbound_departure_time=8:25 pm [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york.
State: [state] seating_class=none return_date=none departure_date=the 4th origin_city=toronto, ontario passengers=b refundable=none outbound_departure_time=none destination_city=new york airlines=none 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] departure_date=6th of this month return_date=9th of this month destination_city=sd outbound_departure_time=3:10 pm passengers=a of possible values a) 1 b) 3 c) 2 d) 4 refundable=a of possible values a) true b) false airlines=c of possible values a) british airways b) alaska airlines c) southwest airlines d) air canada e) delta airlines f) united airlines g) air france h) american airlines origin_city=las vegas 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 am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available?
State: [state] departure_date=the 4th return_date=none destination_city=new york outbound_departure_time=none passengers=d refundable=none airlines=none origin_city=toronto, ontario seating_class=none 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 passengers=d of possible values a) 2 b) 3 c) 4 d) 1 return_date=9th of this month departure_date=6th of this month seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy origin_city=las vegas airlines=e of possible values a) delta airlines b) british airways c) alaska airlines d) united airlines e) southwest airlines f) air canada g) air france h) american airlines refundable=b of possible values a) false b) true destination_city=sd outbound_departure_time=3:10 pm [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect.
State: [state] inbound_departure_time=none passengers=c return_date=none departure_date=the 4th seating_class=none origin_city=toronto, ontario airlines=a refundable=none destination_city=new york outbound_departure_time=10:30 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] inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) premium economy b) first class c) business d) economy refundable=b of possible values a) false b) true origin_city=las vegas return_date=9th of this month destination_city=sd passengers=c of possible values a) 3 b) 4 c) 1 d) 2 departure_date=6th of this month outbound_departure_time=3:10 pm airlines=h of possible values a) air france b) air canada c) american airlines d) british airways e) united airlines f) delta airlines g) alaska airlines h) southwest airlines [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time.
State: [state] inbound_departure_time=none seating_class=none refundable=none origin_city=toronto, ontario return_date=none destination_city=new york passengers=b departure_date=the 4th outbound_departure_time=10:30 pm airlines=f

[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) 2 b) 4 c) 3 d) 1 inbound_departure_time=8:25 pm destination_city=sd airlines=d of possible values a) delta airlines b) air france c) air canada d) southwest airlines e) united airlines f) american airlines g) british airways h) alaska airlines refundable=b of possible values a) false b) true origin_city=las vegas return_date=9th of this month seating_class=dontcare of possible values a) business b) economy c) first class d) premium economy outbound_departure_time=3:10 pm departure_date=6th of this month [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time. [system] do you need anything else? [user] i am looking for a round trip flight.
State: [state] passengers=b inbound_departure_time=none destination_city=new york airlines=a refundable=none origin_city=toronto, ontario return_date=none seating_class=none outbound_departure_time=10:30 pm departure_date=the 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=c of possible values a) 2 b) 4 c) 1 d) 3 return_date=9th of this month departure_date=6th of this month refundable=a of possible values a) true b) false destination_city=sd seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class origin_city=las vegas inbound_departure_time=8:25 pm airlines=e of possible values a) air france b) british airways c) delta airlines d) alaska airlines e) southwest airlines f) air canada g) american airlines h) united airlines [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time. [system] do you need anything else? [user] i am looking for a round trip flight. [system] when are you returning? [user] i want to come back next wednesday.
State: [state] outbound_departure_time=10:30 pm passengers=b return_date=next wednesday departure_date=the 4th refundable=none destination_city=new york seating_class=none origin_city=toronto, ontario inbound_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] inbound_departure_time=8:25 pm passengers=d of possible values a) 2 b) 3 c) 4 d) 1 return_date=9th of this month destination_city=sd outbound_departure_time=3:10 pm origin_city=las vegas departure_date=6th of this month airlines=f of possible values a) american airlines b) delta airlines c) air canada d) british airways e) united airlines f) southwest airlines g) air france h) alaska airlines refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) first class b) economy c) premium economy d) business [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time. [system] do you need anything else? [user] i am looking for a round trip flight. [system] when are you returning? [user] i want to come back next wednesday. [system] there is a delta airlines flight costing $100. the outbound flight leaves at 10:30 pm and the return flight leaves at 5:05 am. [user] what airports are the flight leaving from and going to?
State: [state] inbound_departure_time=none passengers=c return_date=next wednesday destination_city=new york outbound_departure_time=10:30 pm origin_city=toronto, ontario departure_date=the 4th airlines=b refundable=none seating_class=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=a of possible values a) 1 b) 4 c) 3 d) 2 departure_date=6th of this month return_date=9th of this month airlines=a of possible values a) southwest airlines b) air canada c) united airlines d) american airlines e) british airways f) delta airlines g) air france h) alaska airlines origin_city=las vegas destination_city=sd refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) premium economy b) economy c) first class d) business inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time. [system] do you need anything else? [user] i am looking for a round trip flight. [system] when are you returning? [user] i want to come back next wednesday. [system] there is a delta airlines flight costing $100. the outbound flight leaves at 10:30 pm and the return flight leaves at 5:05 am. [user] what airports are the flight leaving from and going to? [system] the flight leaves toronto pearson international airport and arrives at jfk international airport. [user] that is perfect. please purchase tickets in economy.
State: [state] passengers=b departure_date=the 4th return_date=next wednesday airlines=f origin_city=toronto, ontario destination_city=new york refundable=none seating_class=b inbound_departure_time=5:05 am outbound_departure_time=10:30 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] inbound_departure_time=8:25 pm refundable=b of possible values a) false b) true departure_date=6th of this month passengers=d of possible values a) 2 b) 4 c) 3 d) 1 destination_city=sd origin_city=las vegas seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy outbound_departure_time=3:10 pm airlines=d of possible values a) air france b) american airlines c) air canada d) southwest airlines e) british airways f) alaska airlines g) delta airlines h) united airlines return_date=9th of this month [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time. [system] do you need anything else? [user] i am looking for a round trip flight. [system] when are you returning? [user] i want to come back next wednesday. [system] there is a delta airlines flight costing $100. the outbound flight leaves at 10:30 pm and the return flight leaves at 5:05 am. [user] what airports are the flight leaving from and going to? [system] the flight leaves toronto pearson international airport and arrives at jfk international airport. [user] that is perfect. please purchase tickets in economy. [system] please confirm you want 4 tickets to fly from toronto to new york on delta airlines in economy. the departure is next monday at 10:30 pm and the return flight is next wednesday at 5:05 am. [user] i actually want premium economy.
State: [state] inbound_departure_time=5:05 am refundable=none departure_date=next monday passengers=b destination_city=new york origin_city=toronto seating_class=d outbound_departure_time=10:30 pm airlines=g return_date=next wednesday

[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) business b) economy c) premium economy d) first class destination_city=sd inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm airlines=f of possible values a) united airlines b) british airways c) alaska airlines d) delta airlines e) air france f) southwest airlines g) air canada h) american airlines passengers=a of possible values a) 1 b) 3 c) 2 d) 4 refundable=b of possible values a) false b) true origin_city=las vegas return_date=9th of this month departure_date=6th of this month [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time. [system] do you need anything else? [user] i am looking for a round trip flight. [system] when are you returning? [user] i want to come back next wednesday. [system] there is a delta airlines flight costing $100. the outbound flight leaves at 10:30 pm and the return flight leaves at 5:05 am. [user] what airports are the flight leaving from and going to? [system] the flight leaves toronto pearson international airport and arrives at jfk international airport. [user] that is perfect. please purchase tickets in economy. [system] please confirm you want 4 tickets to fly from toronto to new york on delta airlines in economy. the departure is next monday at 10:30 pm and the return flight is next wednesday at 5:05 am. [user] i actually want premium economy. [system] please confirm you want to travel from toronto in premium economy. [user] that is perfect.
State: [state] seating_class=c destination_city=new york inbound_departure_time=5:05 am outbound_departure_time=10:30 pm airlines=d passengers=d refundable=none origin_city=toronto return_date=next wednesday departure_date=next monday

[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) 3 b) 2 c) 1 d) 4 departure_date=6th of this month airlines=a of possible values a) southwest airlines b) american airlines c) alaska airlines d) british airways e) air canada f) united airlines g) delta airlines h) air france 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) first class b) economy c) premium economy d) business return_date=9th of this month destination_city=sd origin_city=las vegas [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time. [system] do you need anything else? [user] i am looking for a round trip flight. [system] when are you returning? [user] i want to come back next wednesday. [system] there is a delta airlines flight costing $100. the outbound flight leaves at 10:30 pm and the return flight leaves at 5:05 am. [user] what airports are the flight leaving from and going to? [system] the flight leaves toronto pearson international airport and arrives at jfk international airport. [user] that is perfect. please purchase tickets in economy. [system] please confirm you want 4 tickets to fly from toronto to new york on delta airlines in economy. the departure is next monday at 10:30 pm and the return flight is next wednesday at 5:05 am. [user] i actually want premium economy. [system] please confirm you want to travel from toronto in premium economy. [user] that is perfect. [system] the ticked has been purchased. [user] thank you very much.
State: [state] passengers=d departure_date=next monday airlines=g inbound_departure_time=5:05 am outbound_departure_time=10:30 pm refundable=none seating_class=c return_date=next wednesday destination_city=new york origin_city=toronto

[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 destination_city=sd return_date=9th of this month outbound_departure_time=3:10 pm refundable=b of possible values a) false b) true departure_date=6th of this month airlines=a of possible values a) southwest airlines b) alaska airlines c) british airways d) delta airlines e) american airlines f) united airlines g) air france h) air canada inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) economy b) first class c) business d) premium economy passengers=c of possible values a) 2 b) 4 c) 1 d) 3 [context] [user] i am looking for a one-way flight. [system] where are you leaving from? [user] i am leaving toronto, ontario. [system] where are you going? [user] i am going to sfo. [system] when are you leaving? [user] i am going on the 4th. [system] there is an air canada flight with 1 stop that leaves at 4:40 pm and the cost is $283. [user] what other flights are available? there are 4 of us going to new york. [system] i found 2 flights including an american airlines flight with 0 stops that leaves at 12:50 pm and the ticket costs $112. [user] what other flights are available? [system] there is a delta airlines flight with 0 stops leaving at 10:30 pm and the ticket costs $95. [user] that is perfect. [system] do you want to purchase the ticket? [user] not at this time. [system] do you need anything else? [user] i am looking for a round trip flight. [system] when are you returning? [user] i want to come back next wednesday. [system] there is a delta airlines flight costing $100. the outbound flight leaves at 10:30 pm and the return flight leaves at 5:05 am. [user] what airports are the flight leaving from and going to? [system] the flight leaves toronto pearson international airport and arrives at jfk international airport. [user] that is perfect. please purchase tickets in economy. [system] please confirm you want 4 tickets to fly from toronto to new york on delta airlines in economy. the departure is next monday at 10:30 pm and the return flight is next wednesday at 5:05 am. [user] i actually want premium economy. [system] please confirm you want to travel from toronto in premium economy. [user] that is perfect. [system] the ticked has been purchased. [user] thank you very much. [system] may i further assist you? [user] no, that will be all.
State: [state] origin_city=toronto destination_city=new york return_date=next wednesday outbound_departure_time=10:30 pm refundable=none departure_date=next monday airlines=d inbound_departure_time=5:05 am seating_class=d passengers=b