[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 passengers=a of possible values a) 1 b) 3 c) 4 d) 2 departure_date=6th of this month refundable=a of possible values a) true b) false airlines=g of possible values a) delta airlines b) air france c) united airlines d) british airways e) american airlines f) air canada g) southwest airlines h) alaska airlines return_date=9th of this month seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm [context] [user] would you look for one way flights?
State: [state] destination_city=none origin_city=none passengers=none departure_date=none refundable=none airlines=none return_date=none seating_class=none inbound_departure_time=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] inbound_departure_time=8:25 pm destination_city=sd refundable=a of possible values a) true b) false origin_city=las vegas passengers=c of possible values a) 2 b) 3 c) 1 d) 4 outbound_departure_time=3:10 pm departure_date=6th of this month seating_class=dontcare of possible values a) business b) first class c) premium economy d) economy airlines=a of possible values a) southwest airlines b) alaska airlines c) delta airlines d) air canada e) british airways f) united airlines g) air france h) american airlines return_date=9th of this month [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th.
State: [state] inbound_departure_time=none destination_city=none refundable=none origin_city=none passengers=none outbound_departure_time=none departure_date=the 11th seating_class=none airlines=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 passengers=a of possible values a) 1 b) 3 c) 4 d) 2 airlines=e of possible values a) air france b) air canada c) united airlines d) american airlines e) southwest airlines f) delta airlines g) british airways h) alaska airlines return_date=9th of this month outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) economy b) first class c) premium economy d) business destination_city=sd origin_city=las vegas refundable=a of possible values a) true b) false inbound_departure_time=8:25 pm [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada.
State: [state] departure_date=the 11th passengers=none airlines=none return_date=none outbound_departure_time=none seating_class=none destination_city=toronto, canada origin_city=ny refundable=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] airlines=a of possible values a) southwest airlines b) united airlines c) air canada d) air france e) delta airlines f) american airlines g) alaska airlines h) british airways origin_city=las vegas outbound_departure_time=3:10 pm passengers=a of possible values a) 1 b) 3 c) 2 d) 4 destination_city=sd return_date=9th of this month inbound_departure_time=8:25 pm seating_class=dontcare of possible values a) economy b) business c) first class d) premium economy refundable=b of possible values a) false b) true departure_date=6th of this month [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada. [system] how about this american airlines flight? the outbound flight leaves at 6:55 am and has 0 stops. it costs $102. [user] that sounds like a winner.
State: [state] airlines=f origin_city=ny outbound_departure_time=6:55 am passengers=none destination_city=toronto, canada return_date=none inbound_departure_time=none seating_class=none refundable=none departure_date=the 11th

[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) first class b) economy c) premium economy d) business origin_city=las vegas refundable=a of possible values a) true b) false inbound_departure_time=8:25 pm passengers=c of possible values a) 4 b) 3 c) 1 d) 2 departure_date=6th of this month return_date=9th of this month airlines=e of possible values a) air france b) american airlines c) alaska airlines d) delta airlines e) southwest airlines f) british airways g) united airlines h) air canada destination_city=sd [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada. [system] how about this american airlines flight? the outbound flight leaves at 6:55 am and has 0 stops. it costs $102. [user] that sounds like a winner. [system] do you want tickets for it? [user] no, actually i don't want tickets yet. find me round trip flight tickets in premium economy. i have four people in my group.
State: [state] outbound_departure_time=6:55 am seating_class=c origin_city=ny refundable=none inbound_departure_time=none passengers=a departure_date=the 11th return_date=none airlines=b destination_city=toronto, canada

[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) economy c) business d) first class inbound_departure_time=8:25 pm airlines=e of possible values a) british airways b) air canada c) alaska airlines d) united airlines e) southwest airlines f) air france g) american airlines h) delta airlines destination_city=sd refundable=b of possible values a) false b) true departure_date=6th of this month outbound_departure_time=3:10 pm origin_city=las vegas passengers=a of possible values a) 1 b) 4 c) 3 d) 2 return_date=9th of this month [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada. [system] how about this american airlines flight? the outbound flight leaves at 6:55 am and has 0 stops. it costs $102. [user] that sounds like a winner. [system] do you want tickets for it? [user] no, actually i don't want tickets yet. find me round trip flight tickets in premium economy. i have four people in my group. [system] when will you come back? [user] i will come back on the 13th.
State: [state] seating_class=a inbound_departure_time=none airlines=g destination_city=toronto, canada refundable=none departure_date=the 11th outbound_departure_time=6:55 am origin_city=ny passengers=b return_date=the 13th

[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 refundable=b of possible values a) false b) true inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class airlines=c of possible values a) british airways b) alaska airlines c) southwest airlines d) delta airlines e) american airlines f) air canada g) united airlines h) air france return_date=9th of this month departure_date=6th of this month origin_city=las vegas passengers=c of possible values a) 3 b) 4 c) 1 d) 2 [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada. [system] how about this american airlines flight? the outbound flight leaves at 6:55 am and has 0 stops. it costs $102. [user] that sounds like a winner. [system] do you want tickets for it? [user] no, actually i don't want tickets yet. find me round trip flight tickets in premium economy. i have four people in my group. [system] when will you come back? [user] i will come back on the 13th. [system] i have 1 nice flight. it's an american airlines flight that leaves at 6:55 am. the return flight departs at 12:50 pm. this ticket costs $168. [user] okay that sounds good. i want to go on a short trip. could you help me buy flght tickets/
State: [state] destination_city=toronto, canada refundable=none inbound_departure_time=12:50 pm outbound_departure_time=6:55 am seating_class=b airlines=e return_date=the 13th departure_date=the 11th origin_city=ny passengers=b

[example] [user] please search flights for me. i m leaving from las vegas on the 6th of this month and coming back on the 9th of this month. [system] where are you going? [user] i am going to sd. there is only 1 in my group. make sure to book only refundable tickets. either business or economy is fine. [system] i found a convenient southwest airlines flight for your trip. it leaves at 3:10 pm and the return flight leaves at 8:25 pm. the ticket price is $95. [user] that flight sounds good to me. [slots] destination_city=sd passengers=b of possible values a) 4 b) 1 c) 2 d) 3 outbound_departure_time=3:10 pm inbound_departure_time=8:25 pm departure_date=6th of this month return_date=9th of this month origin_city=las vegas refundable=b of possible values a) false b) true seating_class=dontcare of possible values a) premium economy b) business c) economy d) first class airlines=f of possible values a) alaska airlines b) delta airlines c) air canada d) united airlines e) air france f) southwest airlines g) british airways h) american airlines [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada. [system] how about this american airlines flight? the outbound flight leaves at 6:55 am and has 0 stops. it costs $102. [user] that sounds like a winner. [system] do you want tickets for it? [user] no, actually i don't want tickets yet. find me round trip flight tickets in premium economy. i have four people in my group. [system] when will you come back? [user] i will come back on the 13th. [system] i have 1 nice flight. it's an american airlines flight that leaves at 6:55 am. the return flight departs at 12:50 pm. this ticket costs $168. [user] okay that sounds good. i want to go on a short trip. could you help me buy flght tickets/ [system] so you would lik eto leave from new york and go to toronto on american airlines on march 11th at 6:55 am. you will return on march 13th at 12:50 pm. you are taking premium economy for 4 passengers. is this right? [user] yes, that is great.
State: [state] destination_city=toronto passengers=a outbound_departure_time=6:55 am inbound_departure_time=12:50 pm departure_date=march 11th return_date=march 13th origin_city=ny refundable=none seating_class=a 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] departure_date=6th of this month seating_class=dontcare of possible values a) economy b) premium economy c) business d) first class origin_city=las vegas return_date=9th of this month destination_city=sd refundable=a of possible values a) true b) false passengers=c of possible values a) 3 b) 2 c) 1 d) 4 inbound_departure_time=8:25 pm outbound_departure_time=3:10 pm airlines=f of possible values a) delta airlines b) british airways c) alaska airlines d) american airlines e) air canada f) southwest airlines g) united airlines h) air france [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada. [system] how about this american airlines flight? the outbound flight leaves at 6:55 am and has 0 stops. it costs $102. [user] that sounds like a winner. [system] do you want tickets for it? [user] no, actually i don't want tickets yet. find me round trip flight tickets in premium economy. i have four people in my group. [system] when will you come back? [user] i will come back on the 13th. [system] i have 1 nice flight. it's an american airlines flight that leaves at 6:55 am. the return flight departs at 12:50 pm. this ticket costs $168. [user] okay that sounds good. i want to go on a short trip. could you help me buy flght tickets/ [system] so you would lik eto leave from new york and go to toronto on american airlines on march 11th at 6:55 am. you will return on march 13th at 12:50 pm. you are taking premium economy for 4 passengers. is this right? [user] yes, that is great. [system] your ticket has been confirmed. [user] at which airport does the flight arrive? what airport does the flight depart from?
State: [state] departure_date=march 11th seating_class=b origin_city=ny return_date=march 13th destination_city=toronto refundable=none passengers=d inbound_departure_time=12:50 pm outbound_departure_time=6:55 am 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] departure_date=6th of this month 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 destination_city=sd refundable=a of possible values a) true b) false airlines=e of possible values a) united airlines b) american airlines c) british airways d) delta airlines e) southwest airlines f) alaska airlines g) air canada h) air france origin_city=las vegas outbound_departure_time=3:10 pm passengers=a of possible values a) 1 b) 2 c) 3 d) 4 [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada. [system] how about this american airlines flight? the outbound flight leaves at 6:55 am and has 0 stops. it costs $102. [user] that sounds like a winner. [system] do you want tickets for it? [user] no, actually i don't want tickets yet. find me round trip flight tickets in premium economy. i have four people in my group. [system] when will you come back? [user] i will come back on the 13th. [system] i have 1 nice flight. it's an american airlines flight that leaves at 6:55 am. the return flight departs at 12:50 pm. this ticket costs $168. [user] okay that sounds good. i want to go on a short trip. could you help me buy flght tickets/ [system] so you would lik eto leave from new york and go to toronto on american airlines on march 11th at 6:55 am. you will return on march 13th at 12:50 pm. you are taking premium economy for 4 passengers. is this right? [user] yes, that is great. [system] your ticket has been confirmed. [user] at which airport does the flight arrive? what airport does the flight depart from? [system] so you are going to toronto pearson international airport and leaving from jfk international airport. [user] thank you for helping.
State: [state] departure_date=march 11th return_date=march 13th seating_class=d inbound_departure_time=12:50 pm destination_city=toronto refundable=none airlines=b origin_city=ny outbound_departure_time=6:55 am 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=a of possible values a) southwest airlines b) air canada c) american airlines d) alaska airlines e) british airways f) delta airlines g) united airlines h) air france passengers=a of possible values a) 1 b) 4 c) 3 d) 2 destination_city=sd seating_class=dontcare of possible values a) first class b) business c) economy d) premium economy return_date=9th of this month inbound_departure_time=8:25 pm origin_city=las vegas refundable=b of possible values a) false b) true departure_date=6th of this month outbound_departure_time=3:10 pm [context] [user] would you look for one way flights? [system] when do you want to depart? [user] i will leave on the 11th. [system] where will you visit? where will you leave from? [user] i will leave from ny and go to toronto, canada. [system] how about this american airlines flight? the outbound flight leaves at 6:55 am and has 0 stops. it costs $102. [user] that sounds like a winner. [system] do you want tickets for it? [user] no, actually i don't want tickets yet. find me round trip flight tickets in premium economy. i have four people in my group. [system] when will you come back? [user] i will come back on the 13th. [system] i have 1 nice flight. it's an american airlines flight that leaves at 6:55 am. the return flight departs at 12:50 pm. this ticket costs $168. [user] okay that sounds good. i want to go on a short trip. could you help me buy flght tickets/ [system] so you would lik eto leave from new york and go to toronto on american airlines on march 11th at 6:55 am. you will return on march 13th at 12:50 pm. you are taking premium economy for 4 passengers. is this right? [user] yes, that is great. [system] your ticket has been confirmed. [user] at which airport does the flight arrive? what airport does the flight depart from? [system] so you are going to toronto pearson international airport and leaving from jfk international airport. [user] thank you for helping. [system] could i help with something else? [user] no, thank you for helping.
State: [state] airlines=c passengers=b destination_city=toronto seating_class=d return_date=march 13th inbound_departure_time=12:50 pm origin_city=ny refundable=none departure_date=march 11th outbound_departure_time=6:55 am