[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) alaska airlines b) british airways c) lot polish airlines d) air canada e) air france f) united airlines g) southwest airlines h) south african airways i) latam brasil j) delta airlines k) american airlines return_date=11th of this month seating_class=dontcare of possible values a) premium economy b) economy c) business departure_date=next monday destination_airport=san francisco origin_airport=san diego number_of_tickets=c of possible values a) 3 b) 4 c) 2 d) 1 [context] [user] i wish to find a round trip flight.
State: [state] airlines=none return_date=none seating_class=none departure_date=none destination_airport=none origin_airport=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] seating_class=dontcare of possible values a) economy b) business c) premium economy number_of_tickets=c of possible values a) 1 b) 3 c) 2 d) 4 destination_airport=san francisco origin_airport=san diego return_date=11th of this month departure_date=next monday airlines=g of possible values a) southwest airlines b) american airlines c) air france d) lot polish airlines e) delta airlines f) alaska airlines g) united airlines h) latam brasil i) air canada j) south african airways k) british airways [context] [user] i wish to find a round trip flight. [system] when will you travel and where do you want to go? when will you need the return flight? [user] i will travel today to las vegas and will return on the 4th.
State: [state] seating_class=none number_of_tickets=none destination_airport=las vegas origin_airport=none return_date=the 4th departure_date=today 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 airlines=k of possible values a) lot polish airlines b) american airlines c) british airways d) latam brasil e) southwest airlines f) south african airways g) alaska airlines h) air france i) air canada j) delta airlines k) united airlines origin_airport=san diego destination_airport=san francisco seating_class=dontcare of possible values a) business b) economy c) premium economy departure_date=next monday number_of_tickets=a of possible values a) 2 b) 1 c) 4 d) 3 [context] [user] i wish to find a round trip flight. [system] when will you travel and where do you want to go? when will you need the return flight? [user] i will travel today to las vegas and will return on the 4th. [system] from which city do you want to start your travel? [user] i need flights from atlanta, ga.
State: [state] return_date=the 4th airlines=none origin_airport=atlanta, ga destination_airport=las vegas seating_class=none departure_date=today 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] return_date=11th of this month number_of_tickets=c of possible values a) 4 b) 1 c) 2 d) 3 seating_class=dontcare of possible values a) business b) premium economy c) economy destination_airport=san francisco airlines=e of possible values a) delta airlines b) latam brasil c) american airlines d) air france e) united airlines f) southwest airlines g) south african airways h) british airways i) alaska airlines j) lot polish airlines k) air canada departure_date=next monday origin_airport=san diego [context] [user] i wish to find a round trip flight. [system] when will you travel and where do you want to go? when will you need the return flight? [user] i will travel today to las vegas and will return on the 4th. [system] from which city do you want to start your travel? [user] i need flights from atlanta, ga. [system] i searched and found 2 american airlines flight and it will start at 3:45 pm. the price is $377 and the return flight will start at 10:25 am. [user] it is nice. thank you so much. that is what i want.
State: [state] return_date=the 4th number_of_tickets=none seating_class=none destination_airport=las vegas airlines=none departure_date=today origin_airport=atlanta, ga