[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 seating_class=dontcare of possible values a) business b) economy c) premium economy departure_date=next monday return_date=11th of this month origin_airport=san diego airlines=b of possible values a) air canada b) united airlines c) alaska airlines d) delta airlines e) air france f) southwest airlines g) south african airways h) american airlines i) lot polish airlines j) latam brasil k) british airways number_of_tickets=a of possible values a) 2 b) 4 c) 1 d) 3 [context] [user] i need a premium economy class ticket on american airlines from paris.
State: [state] destination_airport=none seating_class=c departure_date=none return_date=none origin_airport=paris airlines=h 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] airlines=c of possible values a) alaska airlines b) air france c) united airlines d) southwest airlines e) latam brasil f) delta airlines g) british airways h) south african airways i) american airlines j) air canada k) lot polish airlines departure_date=next monday destination_airport=san francisco number_of_tickets=a of possible values a) 2 b) 4 c) 3 d) 1 return_date=11th of this month origin_airport=san diego seating_class=dontcare of possible values a) economy b) premium economy c) business [context] [user] i need a premium economy class ticket on american airlines from paris. [system] where are you heading to and when would you like to leave? [user] i need three tickets to portland, or for the 9th.
State: [state] airlines=i departure_date=the 9th destination_airport=portland, or number_of_tickets=c return_date=none origin_airport=paris seating_class=b

[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=c of possible values a) 3 b) 4 c) 2 d) 1 destination_airport=san francisco return_date=11th of this month departure_date=next monday seating_class=dontcare of possible values a) premium economy b) economy c) business airlines=i of possible values a) southwest airlines b) air france c) air canada d) british airways e) delta airlines f) alaska airlines g) lot polish airlines h) south african airways i) united airlines j) american airlines k) latam brasil origin_airport=san diego [context] [user] i need a premium economy class ticket on american airlines from paris. [system] where are you heading to and when would you like to leave? [user] i need three tickets to portland, or for the 9th. [system] there is 1 flight available on american airlines. it costs $649 and leaves at 2:35 pm. [user] that would be great.
State: [state] number_of_tickets=a destination_airport=portland, or return_date=none departure_date=the 9th seating_class=a airlines=j origin_airport=paris

[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 departure_date=next monday seating_class=dontcare of possible values a) economy b) business c) premium economy airlines=i of possible values a) american airlines b) southwest airlines c) lot polish airlines d) british airways e) air france f) air canada g) delta airlines h) south african airways i) united airlines j) latam brasil k) alaska airlines destination_airport=san francisco number_of_tickets=d of possible values a) 1 b) 3 c) 4 d) 2 origin_airport=san diego [context] [user] i need a premium economy class ticket on american airlines from paris. [system] where are you heading to and when would you like to leave? [user] i need three tickets to portland, or for the 9th. [system] there is 1 flight available on american airlines. it costs $649 and leaves at 2:35 pm. [user] that would be great. [system] anything else you need assistance with? [user] no. thanks a lot.
State: [state] return_date=none departure_date=the 9th seating_class=c airlines=a destination_airport=portland, or number_of_tickets=b origin_airport=paris