[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] destination_airport=san francisco departure_date=next monday seating_class=dontcare of possible values a) economy b) business c) premium economy number_of_tickets=c of possible values a) 4 b) 3 c) 2 d) 1 origin_airport=san diego airlines=b of possible values a) american airlines b) united airlines c) air france d) southwest airlines e) south african airways f) air canada g) lot polish airlines h) alaska airlines i) delta airlines j) british airways k) latam brasil return_date=11th of this month [context] [user] i'm about to leave and i need round trip tickets. i will depart from new york to land in berlin. i want to return on the 14th of march
State: [state] destination_airport=berlin departure_date=none seating_class=none number_of_tickets=none origin_airport=new york airlines=none return_date=14th of march

[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 destination_airport=san francisco seating_class=dontcare of possible values a) economy b) business c) premium economy airlines=d of possible values a) delta airlines b) american airlines c) south african airways d) united airlines e) latam brasil f) air france g) british airways h) air canada i) lot polish airlines j) southwest airlines k) alaska airlines origin_airport=san diego departure_date=next monday number_of_tickets=d of possible values a) 1 b) 3 c) 4 d) 2 [context] [user] i'm about to leave and i need round trip tickets. i will depart from new york to land in berlin. i want to return on the 14th of march [system] when are you leaving? [user] tomorrow.
State: [state] return_date=14th of march destination_airport=berlin seating_class=none airlines=none origin_airport=new york departure_date=tomorrow number_of_tickets=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] departure_date=next monday number_of_tickets=d of possible values a) 3 b) 4 c) 1 d) 2 return_date=11th of this month destination_airport=san francisco origin_airport=san diego seating_class=dontcare of possible values a) business b) economy c) premium economy airlines=b of possible values a) british airways b) united airlines c) delta airlines d) lot polish airlines e) south african airways f) southwest airlines g) latam brasil h) american airlines i) air canada j) air france k) alaska airlines [context] [user] i'm about to leave and i need round trip tickets. i will depart from new york to land in berlin. i want to return on the 14th of march [system] when are you leaving? [user] tomorrow. [system] there are 2 suitable flights for you, one is from american airlines and it will take off at 4:45 pm with 0 stops. the return trip is scheduled to leave at 1:35 am. you'll pay $373 for the ticket. [user] it can work for me.
State: [state] departure_date=tomorrow number_of_tickets=none return_date=14th of march destination_airport=berlin origin_airport=new york seating_class=none 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] destination_airport=san francisco origin_airport=san diego seating_class=dontcare of possible values a) premium economy b) economy c) business number_of_tickets=d of possible values a) 1 b) 3 c) 4 d) 2 airlines=f of possible values a) british airways b) alaska airlines c) air france d) south african airways e) american airlines f) united airlines g) southwest airlines h) lot polish airlines i) delta airlines j) air canada k) latam brasil departure_date=next monday return_date=11th of this month [context] [user] i'm about to leave and i need round trip tickets. i will depart from new york to land in berlin. i want to return on the 14th of march [system] when are you leaving? [user] tomorrow. [system] there are 2 suitable flights for you, one is from american airlines and it will take off at 4:45 pm with 0 stops. the return trip is scheduled to leave at 1:35 am. you'll pay $373 for the ticket. [user] it can work for me. [system] do you still need me? [user] no i don't.
State: [state] destination_airport=berlin origin_airport=new york seating_class=none number_of_tickets=none airlines=none departure_date=tomorrow return_date=14th of march