[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=b of possible values a) 4 b) 2 c) 3 d) 1 seating_class=dontcare of possible values a) economy b) business c) premium economy origin_airport=san diego destination_airport=san francisco airlines=g of possible values a) lot polish airlines b) air france c) american airlines d) air canada e) alaska airlines f) latam brasil g) united airlines h) southwest airlines i) south african airways j) british airways k) delta airlines departure_date=next monday return_date=11th of this month [context] [user] i need round trip tickets for four for the 1st of this month, returning on march 9th.
State: [state] number_of_tickets=a seating_class=none origin_airport=none destination_airport=none airlines=none departure_date=1st of this month return_date=march 9th

[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 airlines=i of possible values a) southwest airlines b) air canada c) south african airways d) air france e) british airways f) latam brasil g) lot polish airlines h) american airlines i) united airlines j) alaska airlines k) delta airlines departure_date=next monday return_date=11th of this month number_of_tickets=a of possible values a) 2 b) 1 c) 3 d) 4 origin_airport=san diego [context] [user] i need round trip tickets for four for the 1st of this month, returning on march 9th. [system] where are you heading? [user] i am heading to washington on march 5th.
State: [state] destination_airport=washington seating_class=none airlines=none departure_date=1st of this month return_date=march 5th number_of_tickets=d 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] return_date=11th of this month airlines=b of possible values a) alaska airlines b) united airlines c) air france d) south african airways e) air canada f) american airlines g) delta airlines h) southwest airlines i) lot polish airlines j) latam brasil k) british airways number_of_tickets=d of possible values a) 1 b) 3 c) 4 d) 2 seating_class=dontcare of possible values a) economy b) premium economy c) business origin_airport=san diego destination_airport=san francisco departure_date=next monday [context] [user] i need round trip tickets for four for the 1st of this month, returning on march 9th. [system] where are you heading? [user] i am heading to washington on march 5th. [system] where would you be leaving from? [user] i will be traveling from chicago.
State: [state] return_date=march 5th airlines=none number_of_tickets=c seating_class=none origin_airport=chicago destination_airport=washington departure_date=1st of this month

[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 departure_date=next monday destination_airport=san francisco return_date=11th of this month seating_class=dontcare of possible values a) economy b) premium economy c) business number_of_tickets=a of possible values a) 2 b) 4 c) 3 d) 1 airlines=k of possible values a) south african airways b) latam brasil c) air canada d) american airlines e) lot polish airlines f) air france g) alaska airlines h) southwest airlines i) delta airlines j) british airways k) united airlines [context] [user] i need round trip tickets for four for the 1st of this month, returning on march 9th. [system] where are you heading? [user] i am heading to washington on march 5th. [system] where would you be leaving from? [user] i will be traveling from chicago. [system] you can take an american airlines flight for $211. the flight leaves at 8:35 pm and returns on 7:10 pm. [user] that would be great.
State: [state] origin_airport=chicago departure_date=1st of this month destination_airport=washington return_date=march 5th seating_class=none number_of_tickets=b 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 destination_airport=san francisco number_of_tickets=d of possible values a) 4 b) 3 c) 1 d) 2 departure_date=next monday airlines=b of possible values a) british airways b) united airlines c) american airlines d) delta airlines e) alaska airlines f) air canada g) southwest airlines h) south african airways i) latam brasil j) air france k) lot polish airlines seating_class=dontcare of possible values a) business b) premium economy c) economy origin_airport=san diego [context] [user] i need round trip tickets for four for the 1st of this month, returning on march 9th. [system] where are you heading? [user] i am heading to washington on march 5th. [system] where would you be leaving from? [user] i will be traveling from chicago. [system] you can take an american airlines flight for $211. the flight leaves at 8:35 pm and returns on 7:10 pm. [user] that would be great. [system] is there anything else you need assistance with? [user] no. thanks very much
State: [state] return_date=march 5th destination_airport=washington number_of_tickets=a departure_date=1st of this month airlines=none seating_class=none origin_airport=chicago