[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 return_date=11th of this month departure_date=next monday number_of_tickets=c of possible values a) 1 b) 3 c) 2 d) 4 destination_airport=san francisco airlines=g of possible values a) south african airways b) southwest airlines c) alaska airlines d) air france e) british airways f) delta airlines g) united airlines h) latam brasil i) lot polish airlines j) american airlines k) air canada seating_class=dontcare of possible values a) business b) economy c) premium economy [context] [user] i would like to search for a round trip flight from vancouver with three tickets available, please.
State: [state] origin_airport=vancouver return_date=none departure_date=none number_of_tickets=b destination_airport=none airlines=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] return_date=11th of this month seating_class=dontcare of possible values a) economy b) business c) premium economy number_of_tickets=b of possible values a) 4 b) 2 c) 3 d) 1 airlines=k of possible values a) lot polish airlines b) american airlines c) air canada d) air france e) delta airlines f) alaska airlines g) southwest airlines h) british airways i) south african airways j) latam brasil k) united airlines destination_airport=san francisco origin_airport=san diego departure_date=next monday [context] [user] i would like to search for a round trip flight from vancouver with three tickets available, please. [system] what are your travel dates for departure and return? [user] i would like to start the trip on the 3rd, and return on the 8th.
State: [state] return_date=the 8th seating_class=none number_of_tickets=c airlines=none destination_airport=none origin_airport=vancouver departure_date=the 3rd

[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) 1 b) 2 c) 4 d) 3 departure_date=next monday origin_airport=san diego return_date=11th of this month destination_airport=san francisco seating_class=dontcare of possible values a) premium economy b) business c) economy airlines=g of possible values a) south african airways b) lot polish airlines c) air france d) latam brasil e) american airlines f) air canada g) united airlines h) delta airlines i) southwest airlines j) british airways k) alaska airlines [context] [user] i would like to search for a round trip flight from vancouver with three tickets available, please. [system] what are your travel dates for departure and return? [user] i would like to start the trip on the 3rd, and return on the 8th. [system] where would you like to go? [user] i will be flying to washington.
State: [state] number_of_tickets=d departure_date=the 3rd origin_airport=vancouver return_date=the 8th destination_airport=washington 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] airlines=e of possible values a) alaska airlines b) air canada c) southwest airlines d) lot polish airlines e) united airlines f) american airlines g) air france h) south african airways i) latam brasil j) delta airlines k) british airways destination_airport=san francisco seating_class=dontcare of possible values a) business b) economy c) premium economy return_date=11th of this month departure_date=next monday number_of_tickets=a of possible values a) 2 b) 1 c) 4 d) 3 origin_airport=san diego [context] [user] i would like to search for a round trip flight from vancouver with three tickets available, please. [system] what are your travel dates for departure and return? [user] i would like to start the trip on the 3rd, and return on the 8th. [system] where would you like to go? [user] i will be flying to washington. [system] american airlines has a connecting flight at 1:10 pm, with a return flight at 2:55 pm, for $442. [user] would these be economy class tickets? what time does the return flight land?
State: [state] airlines=none destination_airport=washington seating_class=none return_date=the 8th departure_date=the 3rd number_of_tickets=d origin_airport=vancouver

[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=a of possible values a) united airlines b) british airways c) lot polish airlines d) american airlines e) air france f) air canada g) delta airlines h) south african airways i) southwest airlines j) latam brasil k) alaska airlines origin_airport=san diego number_of_tickets=d of possible values a) 4 b) 1 c) 3 d) 2 return_date=11th of this month departure_date=next monday seating_class=dontcare of possible values a) economy b) business c) premium economy destination_airport=san francisco [context] [user] i would like to search for a round trip flight from vancouver with three tickets available, please. [system] what are your travel dates for departure and return? [user] i would like to start the trip on the 3rd, and return on the 8th. [system] where would you like to go? [user] i will be flying to washington. [system] american airlines has a connecting flight at 1:10 pm, with a return flight at 2:55 pm, for $442. [user] would these be economy class tickets? what time does the return flight land? [system] yes, the seats are economy. the return flight arrives at 9:56 pm. [user] ok, that all sounds good.
State: [state] airlines=none origin_airport=vancouver number_of_tickets=c return_date=the 8th departure_date=the 3rd seating_class=none destination_airport=washington

[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=j of possible values a) alaska airlines b) british airways c) air france d) southwest airlines e) lot polish airlines f) american airlines g) air canada h) latam brasil i) south african airways j) united airlines k) delta airlines return_date=11th of this month seating_class=dontcare of possible values a) economy b) premium economy c) business origin_airport=san diego departure_date=next monday destination_airport=san francisco number_of_tickets=b of possible values a) 4 b) 2 c) 1 d) 3 [context] [user] i would like to search for a round trip flight from vancouver with three tickets available, please. [system] what are your travel dates for departure and return? [user] i would like to start the trip on the 3rd, and return on the 8th. [system] where would you like to go? [user] i will be flying to washington. [system] american airlines has a connecting flight at 1:10 pm, with a return flight at 2:55 pm, for $442. [user] would these be economy class tickets? what time does the return flight land? [system] yes, the seats are economy. the return flight arrives at 9:56 pm. [user] ok, that all sounds good. [system] is there anything else i can help you with? [user] no, thank you for your help.
State: [state] airlines=none return_date=the 8th seating_class=none origin_airport=vancouver departure_date=the 3rd destination_airport=washington number_of_tickets=d