[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=f of possible values a) air canada b) alaska airlines c) latam brasil d) southwest airlines e) lot polish airlines f) united airlines g) south african airways h) american airlines i) delta airlines j) air france k) british airways destination_airport=san francisco number_of_tickets=b of possible values a) 1 b) 2 c) 3 d) 4 departure_date=next monday 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 one-way flight now please.
State: [state] airlines=none destination_airport=none number_of_tickets=none departure_date=none return_date=none origin_airport=none seating_class=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] number_of_tickets=a of possible values a) 2 b) 4 c) 1 d) 3 airlines=b of possible values a) british airways b) united airlines c) south african airways d) lot polish airlines e) air france f) air canada g) latam brasil h) southwest airlines i) alaska airlines j) american airlines k) delta airlines departure_date=next monday origin_airport=san diego seating_class=dontcare of possible values a) economy b) premium economy c) business return_date=11th of this month destination_airport=san francisco [context] [user] i need a one-way flight now please. [system] on which day would you like to book your travel, and what is your intended destination? [user] i want to start on the 8th and i want to visit seattle, please.
State: [state] number_of_tickets=none airlines=none departure_date=the 8th origin_airport=none seating_class=none return_date=none destination_airport=seattle

[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 origin_airport=san diego destination_airport=san francisco seating_class=dontcare of possible values a) premium economy b) economy c) business airlines=d of possible values a) alaska airlines b) southwest airlines c) british airways d) united airlines e) american airlines f) lot polish airlines g) latam brasil h) air france i) air canada j) south african airways k) delta airlines number_of_tickets=a of possible values a) 2 b) 4 c) 3 d) 1 [context] [user] i need a one-way flight now please. [system] on which day would you like to book your travel, and what is your intended destination? [user] i want to start on the 8th and i want to visit seattle, please. [system] from which city do you intend to leave? [user] i need a flight from toronto, ontario.
State: [state] return_date=none departure_date=the 8th origin_airport=toronto, ontario destination_airport=seattle seating_class=none airlines=none 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] origin_airport=san diego airlines=f of possible values a) air canada b) latam brasil c) lot polish airlines d) british airways e) alaska airlines f) united airlines g) delta airlines h) southwest airlines i) air france j) south african airways k) american airlines number_of_tickets=d of possible values a) 1 b) 4 c) 3 d) 2 seating_class=dontcare of possible values a) premium economy b) economy c) business return_date=11th of this month departure_date=next monday destination_airport=san francisco [context] [user] i need a one-way flight now please. [system] on which day would you like to book your travel, and what is your intended destination? [user] i want to start on the 8th and i want to visit seattle, please. [system] from which city do you intend to leave? [user] i need a flight from toronto, ontario. [system] there are 3 flights matching your selection. would you like to fly with air canada? the flight is set to depart at 4:35 pm. it is a connecting flight and the ticket price is $328. [user] i'm good with that!
State: [state] origin_airport=toronto, ontario airlines=none number_of_tickets=none seating_class=none return_date=none departure_date=the 8th destination_airport=seattle

[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=d of possible values a) south african airways b) air france c) southwest airlines d) united airlines e) british airways f) lot polish airlines g) american airlines h) delta airlines i) latam brasil j) alaska airlines k) air canada seating_class=dontcare of possible values a) premium economy b) economy c) business destination_airport=san francisco departure_date=next monday return_date=11th of this month origin_airport=san diego number_of_tickets=a of possible values a) 2 b) 4 c) 3 d) 1 [context] [user] i need a one-way flight now please. [system] on which day would you like to book your travel, and what is your intended destination? [user] i want to start on the 8th and i want to visit seattle, please. [system] from which city do you intend to leave? [user] i need a flight from toronto, ontario. [system] there are 3 flights matching your selection. would you like to fly with air canada? the flight is set to depart at 4:35 pm. it is a connecting flight and the ticket price is $328. [user] i'm good with that! [system] is there anything else i may help you with? [user] no, but thanks a lot.
State: [state] airlines=none seating_class=none destination_airport=seattle departure_date=the 8th return_date=none origin_airport=toronto, ontario number_of_tickets=none