[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 number_of_tickets=c of possible values a) 1 b) 4 c) 2 d) 3 return_date=11th of this month airlines=f of possible values a) delta airlines b) south african airways c) lot polish airlines d) air canada e) southwest airlines f) united airlines g) american airlines h) air france i) british airways j) latam brasil k) alaska airlines seating_class=dontcare of possible values a) business b) economy c) premium economy destination_airport=san francisco [context] [user] i am searching for a round trip flight to seattle, wa
State: [state] origin_airport=none departure_date=none number_of_tickets=none return_date=none airlines=none seating_class=none destination_airport=seattle, wa

[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 airlines=f of possible values a) alaska airlines b) lot polish airlines c) latam brasil d) south african airways e) southwest airlines f) united airlines g) delta airlines h) american airlines i) air canada j) british airways k) air france seating_class=dontcare of possible values a) premium economy b) economy c) business origin_airport=san diego return_date=11th of this month number_of_tickets=c of possible values a) 3 b) 4 c) 2 d) 1 destination_airport=san francisco [context] [user] i am searching for a round trip flight to seattle, wa [system] from which city you like to depart? [user] search flights from vancouver, bc
State: [state] departure_date=none airlines=none seating_class=none origin_airport=vancouver, bc return_date=none number_of_tickets=none destination_airport=seattle, wa

[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 airlines=b of possible values a) south african airways b) united airlines c) latam brasil d) air france e) alaska airlines f) southwest airlines g) british airways h) delta airlines i) air canada j) american airlines k) lot polish airlines origin_airport=san diego seating_class=dontcare of possible values a) economy b) business c) premium economy departure_date=next monday number_of_tickets=c of possible values a) 1 b) 3 c) 2 d) 4 [context] [user] i am searching for a round trip flight to seattle, wa [system] from which city you like to depart? [user] search flights from vancouver, bc [system] on which day you like to take the return flight? on what date you want to travel? [user] i like to start my journey on march 5th and want to take the return flight on next thursday.
State: [state] return_date=next thursday destination_airport=seattle, wa airlines=none origin_airport=vancouver, bc seating_class=none departure_date=march 5th 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] origin_airport=san diego departure_date=next monday number_of_tickets=d of possible values a) 4 b) 1 c) 3 d) 2 return_date=11th of this month seating_class=dontcare of possible values a) business b) economy c) premium economy airlines=b of possible values a) alaska airlines b) united airlines c) southwest airlines d) air canada e) american airlines f) lot polish airlines g) latam brasil h) air france i) south african airways j) british airways k) delta airlines destination_airport=san francisco [context] [user] i am searching for a round trip flight to seattle, wa [system] from which city you like to depart? [user] search flights from vancouver, bc [system] on which day you like to take the return flight? on what date you want to travel? [user] i like to start my journey on march 5th and want to take the return flight on next thursday. [system] the connecting flight american airlines which takes off at 11:20 am and returning flight takes off at 2:20 pm with ticket cost $373. [user] this is cool.
State: [state] origin_airport=vancouver, bc departure_date=march 5th number_of_tickets=none return_date=next thursday seating_class=none airlines=none destination_airport=seattle, wa

[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 number_of_tickets=a of possible values a) 2 b) 1 c) 4 d) 3 airlines=d of possible values a) south african airways b) alaska airlines c) british airways d) united airlines e) lot polish airlines f) southwest airlines g) air france h) delta airlines i) american airlines j) air canada k) latam brasil origin_airport=san diego seating_class=dontcare of possible values a) business b) economy c) premium economy departure_date=next monday [context] [user] i am searching for a round trip flight to seattle, wa [system] from which city you like to depart? [user] search flights from vancouver, bc [system] on which day you like to take the return flight? on what date you want to travel? [user] i like to start my journey on march 5th and want to take the return flight on next thursday. [system] the connecting flight american airlines which takes off at 11:20 am and returning flight takes off at 2:20 pm with ticket cost $373. [user] this is cool. [system] do you need any other help? [user] no, thank you very much.
State: [state] destination_airport=seattle, wa return_date=next thursday number_of_tickets=none airlines=none origin_airport=vancouver, bc seating_class=none departure_date=march 5th