[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=g of possible values a) air canada b) south african airways c) delta airlines d) latam brasil e) southwest airlines f) alaska airlines g) united airlines h) british airways i) american airlines j) air france k) lot polish airlines seating_class=dontcare of possible values a) business b) premium economy c) economy number_of_tickets=b of possible values a) 1 b) 2 c) 4 d) 3 destination_airport=san francisco return_date=11th of this month origin_airport=san diego departure_date=next monday [context] [user] i need a round trip flight from phoenix, az.
State: [state] airlines=none seating_class=none number_of_tickets=none destination_airport=none return_date=none origin_airport=phoenix, az departure_date=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 return_date=11th of this month origin_airport=san diego number_of_tickets=d of possible values a) 4 b) 3 c) 1 d) 2 airlines=g of possible values a) delta airlines b) lot polish airlines c) air france d) american airlines e) alaska airlines f) south african airways g) united airlines h) british airways i) air canada j) latam brasil k) southwest airlines seating_class=dontcare of possible values a) premium economy b) business c) economy destination_airport=san francisco [context] [user] i need a round trip flight from phoenix, az. [system] what are your travel dates. [user] i want to depart on march 7th.
State: [state] departure_date=march 7th return_date=none origin_airport=phoenix, az number_of_tickets=none airlines=none seating_class=none destination_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] number_of_tickets=d of possible values a) 3 b) 1 c) 4 d) 2 airlines=c of possible values a) american airlines b) latam brasil c) united airlines d) alaska airlines e) delta airlines f) air france g) south african airways h) british airways i) lot polish airlines j) southwest airlines k) air canada destination_airport=san francisco seating_class=dontcare of possible values a) premium economy b) business c) economy return_date=11th of this month departure_date=next monday origin_airport=san diego [context] [user] i need a round trip flight from phoenix, az. [system] what are your travel dates. [user] i want to depart on march 7th. [system] where do you plan to go? what day would you like for your return flight? [user] i am going to seattle and would like to return on 14th of march.
State: [state] number_of_tickets=none airlines=none destination_airport=seattle seating_class=none return_date=14th of march departure_date=march 7th origin_airport=phoenix, az

[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 airlines=e of possible values a) british airways b) latam brasil c) southwest airlines d) american airlines e) united airlines f) south african airways g) air canada h) air france i) alaska airlines j) delta airlines k) lot polish airlines origin_airport=san diego number_of_tickets=a of possible values a) 2 b) 4 c) 1 d) 3 departure_date=next monday return_date=11th of this month seating_class=dontcare of possible values a) business b) premium economy c) economy [context] [user] i need a round trip flight from phoenix, az. [system] what are your travel dates. [user] i want to depart on march 7th. [system] where do you plan to go? what day would you like for your return flight? [user] i am going to seattle and would like to return on 14th of march. [system] would you prefer to travel on american airlines? a connecting flight takes off at 4:10 pm and a returning flight takes off at 2:20 pm. the ticket price is $350. [user] is the ticket economy class? what is the arrival time for the returning flight?
State: [state] destination_airport=seattle airlines=none origin_airport=phoenix, az number_of_tickets=none departure_date=march 7th return_date=14th of march 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] destination_airport=san francisco airlines=f of possible values a) air canada b) british airways c) air france d) southwest airlines e) lot polish airlines f) united airlines g) south african airways h) american airlines i) latam brasil j) delta airlines k) alaska airlines return_date=11th of this month number_of_tickets=d of possible values a) 3 b) 4 c) 1 d) 2 departure_date=next monday seating_class=dontcare of possible values a) business b) premium economy c) economy origin_airport=san diego [context] [user] i need a round trip flight from phoenix, az. [system] what are your travel dates. [user] i want to depart on march 7th. [system] where do you plan to go? what day would you like for your return flight? [user] i am going to seattle and would like to return on 14th of march. [system] would you prefer to travel on american airlines? a connecting flight takes off at 4:10 pm and a returning flight takes off at 2:20 pm. the ticket price is $350. [user] is the ticket economy class? what is the arrival time for the returning flight? [system] the seating is economy. the arrival time for the returning flight is 6:43 pm. [user] that sounds good.
State: [state] destination_airport=seattle airlines=none return_date=14th of march number_of_tickets=none departure_date=march 7th seating_class=none origin_airport=phoenix, az

[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 origin_airport=san diego number_of_tickets=b of possible values a) 3 b) 2 c) 1 d) 4 departure_date=next monday seating_class=dontcare of possible values a) premium economy b) business c) economy airlines=b of possible values a) lot polish airlines b) united airlines c) alaska airlines d) southwest airlines e) south african airways f) american airlines g) delta airlines h) air canada i) latam brasil j) british airways k) air france [context] [user] i need a round trip flight from phoenix, az. [system] what are your travel dates. [user] i want to depart on march 7th. [system] where do you plan to go? what day would you like for your return flight? [user] i am going to seattle and would like to return on 14th of march. [system] would you prefer to travel on american airlines? a connecting flight takes off at 4:10 pm and a returning flight takes off at 2:20 pm. the ticket price is $350. [user] is the ticket economy class? what is the arrival time for the returning flight? [system] the seating is economy. the arrival time for the returning flight is 6:43 pm. [user] that sounds good. [system] can i assist you with something else? [user] no thank you.
State: [state] return_date=14th of march destination_airport=seattle origin_airport=phoenix, az number_of_tickets=none departure_date=march 7th seating_class=none airlines=none