[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=d of possible values a) southwest airlines b) latam brasil c) american airlines d) united airlines e) alaska airlines f) british airways g) air france h) air canada i) delta airlines j) lot polish airlines k) south african airways 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 departure_date=next monday [context] [user] i am going to need 2 tickets because i am visiting someone on march 4th. look for a round trip flight.
State: [state] destination_airport=none seating_class=none airlines=none origin_airport=none return_date=none number_of_tickets=c departure_date=march 4th

[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) economy b) business c) premium economy return_date=11th of this month airlines=e of possible values a) latam brasil b) air canada c) alaska airlines d) south african airways e) united airlines f) delta airlines g) lot polish airlines h) air france i) british airways j) southwest airlines k) american airlines origin_airport=san diego number_of_tickets=b of possible values a) 1 b) 2 c) 3 d) 4 departure_date=next monday [context] [user] i am going to need 2 tickets because i am visiting someone on march 4th. look for a round trip flight. [system] when are you taking the return flight? what is your destination and what city are you leaving from? [user] i want flights from atlanta to san francisco and i will come back on 12th of march.
State: [state] destination_airport=san francisco seating_class=none return_date=12th of march airlines=none origin_airport=atlanta number_of_tickets=b departure_date=march 4th

[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 departure_date=next monday origin_airport=san diego return_date=11th of this month seating_class=dontcare of possible values a) economy b) business c) premium economy airlines=g of possible values a) south african airways b) latam brasil c) southwest airlines d) air canada e) british airways f) lot polish airlines g) united airlines h) air france i) american airlines j) alaska airlines k) delta airlines number_of_tickets=d of possible values a) 3 b) 1 c) 4 d) 2 [context] [user] i am going to need 2 tickets because i am visiting someone on march 4th. look for a round trip flight. [system] when are you taking the return flight? what is your destination and what city are you leaving from? [user] i want flights from atlanta to san francisco and i will come back on 12th of march. [system] there are 4 flights that you will like. how about the american airlines which is a direct flight and takes off at 3:45 pm. the return flight leaves at 9:20 pm. it will cost you $279. [user] what is the time of arrival for the returning flight?
State: [state] destination_airport=san francisco departure_date=march 4th origin_airport=atlanta return_date=12th of march seating_class=none airlines=none number_of_tickets=d

[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 destination_airport=san francisco return_date=11th of this month number_of_tickets=b of possible values a) 3 b) 2 c) 1 d) 4 airlines=b of possible values a) delta airlines b) united airlines c) lot polish airlines d) alaska airlines e) south african airways f) air canada g) air france h) southwest airlines i) american airlines j) british airways k) latam brasil seating_class=dontcare of possible values a) economy b) business c) premium economy origin_airport=san diego [context] [user] i am going to need 2 tickets because i am visiting someone on march 4th. look for a round trip flight. [system] when are you taking the return flight? what is your destination and what city are you leaving from? [user] i want flights from atlanta to san francisco and i will come back on 12th of march. [system] there are 4 flights that you will like. how about the american airlines which is a direct flight and takes off at 3:45 pm. the return flight leaves at 9:20 pm. it will cost you $279. [user] what is the time of arrival for the returning flight? [system] the returning flight will land at 5:46 am. [user] that is perfect. thank you. that is all.
State: [state] departure_date=march 4th destination_airport=san francisco return_date=12th of march number_of_tickets=b airlines=none seating_class=none origin_airport=atlanta