[example] [user] i would like to get two tickets on a round trip flight that will get me to san francisco from san diego. [system] will you be leaving on march 2nd? [user] i would like to leave next monday. [system] what day do you want your return flight to be? [user] i would like to fly with united airlines and come back on the 11th of this month. i have no preference about which ticket class it is. [slots] seating_class=dontcare of possible values a) premium economy b) economy c) business destination_airport=san francisco return_date=11th of this month airlines=h of possible values a) southwest airlines b) lot polish airlines c) alaska airlines d) air france e) air canada f) latam brasil g) british airways h) united airlines i) south african airways j) delta airlines k) american airlines departure_date=next monday number_of_tickets=c of possible values a) 1 b) 3 c) 2 d) 4 origin_airport=san diego [context] [user] i need to get out of town and would need a one way flight.
State: [state] seating_class=none destination_airport=none return_date=none airlines=none departure_date=none number_of_tickets=none origin_airport=none

[example] [user] i would like to get two tickets on a round trip flight that will get me to san francisco from san diego. [system] will you be leaving on march 2nd? [user] i would like to leave next monday. [system] what day do you want your return flight to be? [user] i would like to fly with united airlines and come back on the 11th of this month. i have no preference about which ticket class it is. [slots] seating_class=dontcare of possible values a) economy b) business c) premium economy departure_date=next monday return_date=11th of this month airlines=k of possible values a) delta airlines b) lot polish airlines c) air canada d) alaska airlines e) south african airways f) latam brasil g) southwest airlines h) british airways i) air france j) american airlines k) united airlines number_of_tickets=c of possible values a) 1 b) 4 c) 2 d) 3 destination_airport=san francisco origin_airport=san diego [context] [user] i need to get out of town and would need a one way flight. [system] when would you like to travel and where would you be leaving from? which city are you heading to? [user] i want to leave sf and head to la on march 4th.
State: [state] seating_class=none departure_date=march 4th return_date=none airlines=none number_of_tickets=none destination_airport=la origin_airport=sf

[example] [user] i would like to get two tickets on a round trip flight that will get me to san francisco from san diego. [system] will you be leaving on march 2nd? [user] i would like to leave next monday. [system] what day do you want your return flight to be? [user] i would like to fly with united airlines and come back on the 11th of this month. i have no preference about which ticket class it is. [slots] return_date=11th of this month airlines=g of possible values a) delta airlines b) alaska airlines c) air canada d) lot polish airlines e) south african airways f) southwest airlines g) united airlines h) british airways i) american airlines j) air france k) latam brasil seating_class=dontcare of possible values a) premium economy b) economy c) business number_of_tickets=b of possible values a) 3 b) 2 c) 1 d) 4 departure_date=next monday origin_airport=san diego destination_airport=san francisco [context] [user] i need to get out of town and would need a one way flight. [system] when would you like to travel and where would you be leaving from? which city are you heading to? [user] i want to leave sf and head to la on march 4th. [system] there are 5 flights available. you can get a ticket for $97 on alaska airlines for a flight that leaves at 12:25 pm. [user] that time is not convenient to me. i would like four premium economy tickets.
State: [state] return_date=none airlines=none seating_class=a number_of_tickets=d departure_date=march 4th origin_airport=sf destination_airport=la

[example] [user] i would like to get two tickets on a round trip flight that will get me to san francisco from san diego. [system] will you be leaving on march 2nd? [user] i would like to leave next monday. [system] what day do you want your return flight to be? [user] i would like to fly with united airlines and come back on the 11th of this month. i have no preference about which ticket class it is. [slots] number_of_tickets=d of possible values a) 3 b) 1 c) 4 d) 2 return_date=11th of this month destination_airport=san francisco seating_class=dontcare of possible values a) premium economy b) business c) economy origin_airport=san diego departure_date=next monday airlines=c of possible values a) south african airways b) air france c) united airlines d) delta airlines e) british airways f) lot polish airlines g) air canada h) american airlines i) latam brasil j) alaska airlines k) southwest airlines [context] [user] i need to get out of town and would need a one way flight. [system] when would you like to travel and where would you be leaving from? which city are you heading to? [user] i want to leave sf and head to la on march 4th. [system] there are 5 flights available. you can get a ticket for $97 on alaska airlines for a flight that leaves at 12:25 pm. [user] that time is not convenient to me. i would like four premium economy tickets. [system] there are 3 flights available. there is an american airlines flight for $159 that leaves at 7:10 pm. [user] that would be fine.
State: [state] number_of_tickets=c return_date=none destination_airport=la seating_class=a origin_airport=sf departure_date=march 4th airlines=none

[example] [user] i would like to get two tickets on a round trip flight that will get me to san francisco from san diego. [system] will you be leaving on march 2nd? [user] i would like to leave next monday. [system] what day do you want your return flight to be? [user] i would like to fly with united airlines and come back on the 11th of this month. i have no preference about which ticket class it is. [slots] return_date=11th of this month number_of_tickets=a of possible values a) 2 b) 1 c) 3 d) 4 airlines=c of possible values a) american airlines b) southwest airlines c) united airlines d) alaska airlines e) british airways f) air canada g) air france h) lot polish airlines i) latam brasil j) delta airlines k) south african airways destination_airport=san francisco departure_date=next monday seating_class=dontcare of possible values a) premium economy b) economy c) business origin_airport=san diego [context] [user] i need to get out of town and would need a one way flight. [system] when would you like to travel and where would you be leaving from? which city are you heading to? [user] i want to leave sf and head to la on march 4th. [system] there are 5 flights available. you can get a ticket for $97 on alaska airlines for a flight that leaves at 12:25 pm. [user] that time is not convenient to me. i would like four premium economy tickets. [system] there are 3 flights available. there is an american airlines flight for $159 that leaves at 7:10 pm. [user] that would be fine. [system] would you need anything else? [user] no, not at this time. thanks.
State: [state] return_date=none number_of_tickets=d airlines=none destination_airport=la departure_date=march 4th seating_class=a origin_airport=sf