[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) lot polish airlines b) latam brasil c) air canada d) united airlines e) air france f) british airways g) alaska airlines h) american airlines i) delta airlines j) south african airways k) southwest airlines destination_airport=san francisco origin_airport=san diego number_of_tickets=b of possible values a) 3 b) 2 c) 1 d) 4 return_date=11th of this month departure_date=next monday seating_class=dontcare of possible values a) economy b) business c) premium economy [context] [user] hi, there! i need to book a round trip flight. i'm hoping to travel on the 4th. i'd like to buy three tickets on american airlines.
State: [state] airlines=h destination_airport=none origin_airport=none number_of_tickets=a return_date=none departure_date=the 4th 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] 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 number_of_tickets=a of possible values a) 2 b) 4 c) 3 d) 1 airlines=f of possible values a) air canada b) alaska airlines c) south african airways d) british airways e) lot polish airlines f) united airlines g) latam brasil h) southwest airlines i) american airlines j) delta airlines k) air france [context] [user] hi, there! i need to book a round trip flight. i'm hoping to travel on the 4th. i'd like to buy three tickets on american airlines. [system] okay, great! where are you planning to go? [user] we need to go to atlanta.
State: [state] departure_date=the 4th origin_airport=none seating_class=none return_date=none destination_airport=atlanta number_of_tickets=c airlines=i

[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 return_date=11th of this month airlines=e of possible values a) lot polish airlines b) air canada c) air france d) south african airways e) united airlines f) latam brasil g) alaska airlines h) british airways i) delta airlines j) southwest airlines k) american airlines origin_airport=san diego seating_class=dontcare of possible values a) economy b) premium economy c) business departure_date=next monday number_of_tickets=c of possible values a) 1 b) 3 c) 2 d) 4 [context] [user] hi, there! i need to book a round trip flight. i'm hoping to travel on the 4th. i'd like to buy three tickets on american airlines. [system] okay, great! where are you planning to go? [user] we need to go to atlanta. [system] okay, nice! where are you departing from? [user] berlin, germany.
State: [state] destination_airport=atlanta return_date=none airlines=k origin_airport=berlin seating_class=none departure_date=the 4th number_of_tickets=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] origin_airport=san diego departure_date=next monday return_date=11th of this month seating_class=dontcare of possible values a) premium economy b) business c) economy destination_airport=san francisco number_of_tickets=a of possible values a) 2 b) 1 c) 3 d) 4 airlines=e of possible values a) american airlines b) south african airways c) southwest airlines d) air canada e) united airlines f) air france g) latam brasil h) lot polish airlines i) delta airlines j) british airways k) alaska airlines [context] [user] hi, there! i need to book a round trip flight. i'm hoping to travel on the 4th. i'd like to buy three tickets on american airlines. [system] okay, great! where are you planning to go? [user] we need to go to atlanta. [system] okay, nice! where are you departing from? [user] berlin, germany. [system] beautiful! which day would you like to return? [user] on the 11th.
State: [state] origin_airport=berlin departure_date=the 4th return_date=the 11th seating_class=none destination_airport=atlanta number_of_tickets=c airlines=a

[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) southwest airlines c) lot polish airlines d) latam brasil e) air france f) alaska airlines g) british airways h) air canada i) south african airways j) delta airlines k) american airlines departure_date=next monday seating_class=dontcare of possible values a) business b) economy c) premium economy destination_airport=san francisco origin_airport=san diego return_date=11th of this month number_of_tickets=c of possible values a) 4 b) 1 c) 2 d) 3 [context] [user] hi, there! i need to book a round trip flight. i'm hoping to travel on the 4th. i'd like to buy three tickets on american airlines. [system] okay, great! where are you planning to go? [user] we need to go to atlanta. [system] okay, nice! where are you departing from? [user] berlin, germany. [system] beautiful! which day would you like to return? [user] on the 11th. [system] perfect! i found a great american airlines flight for you. it departs at 1:35 am. it does have a connecting flight. the return flight takes off at 3:45 pm. the tickets will be $581 each. how does that sound? [user] that sounds good. that's all i need!
State: [state] airlines=k departure_date=the 4th seating_class=none destination_airport=atlanta origin_airport=berlin return_date=the 11th number_of_tickets=d