[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) premium economy b) business c) economy origin_airport=san diego number_of_tickets=a of possible values a) 2 b) 4 c) 3 d) 1 departure_date=next monday destination_airport=san francisco airlines=h of possible values a) british airways b) southwest airlines c) air canada d) latam brasil e) south african airways f) alaska airlines g) air france h) united airlines i) lot polish airlines j) delta airlines k) american airlines return_date=11th of this month [context] [user] hey i need an economy round trip ticket to philly and i'll be returning on march 6th.
State: [state] seating_class=c origin_airport=none number_of_tickets=none departure_date=none destination_airport=philly airlines=none return_date=march 6th

[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 departure_date=next monday origin_airport=san diego number_of_tickets=d of possible values a) 3 b) 4 c) 1 d) 2 seating_class=dontcare of possible values a) premium economy b) business c) economy airlines=c of possible values a) air canada b) alaska airlines c) united airlines d) american airlines e) latam brasil f) british airways g) delta airlines h) southwest airlines i) air france j) south african airways k) lot polish airlines [context] [user] hey i need an economy round trip ticket to philly and i'll be returning on march 6th. [system] what city will you be departing from? [user] i will be leaving from berlin.
State: [state] destination_airport=philly return_date=march 6th departure_date=none origin_airport=berlin number_of_tickets=none seating_class=c 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] origin_airport=san diego number_of_tickets=d of possible values a) 3 b) 4 c) 1 d) 2 departure_date=next monday airlines=f of possible values a) latam brasil b) southwest airlines c) delta airlines d) british airways e) air canada f) united airlines g) american airlines h) alaska airlines i) air france j) south african airways k) lot polish airlines destination_airport=san francisco seating_class=dontcare of possible values a) economy b) premium economy c) business return_date=11th of this month [context] [user] hey i need an economy round trip ticket to philly and i'll be returning on march 6th. [system] what city will you be departing from? [user] i will be leaving from berlin. [system] and what date would you like to fly? [user] i need the travel to start on the 1st.
State: [state] origin_airport=berlin number_of_tickets=none departure_date=the 1st airlines=none destination_airport=philly seating_class=a return_date=march 6th

[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=i of possible values a) air canada b) delta airlines c) south african airways d) american airlines e) lot polish airlines f) southwest airlines g) latam brasil h) british airways i) united airlines j) air france k) alaska airlines seating_class=dontcare of possible values a) premium economy b) business c) economy destination_airport=san francisco number_of_tickets=b of possible values a) 4 b) 2 c) 1 d) 3 origin_airport=san diego return_date=11th of this month [context] [user] hey i need an economy round trip ticket to philly and i'll be returning on march 6th. [system] what city will you be departing from? [user] i will be leaving from berlin. [system] and what date would you like to fly? [user] i need the travel to start on the 1st. [system] i found 2 flights for you with american airlines.the ticket would be $499. the first flight departs at 2:55 am and the return flight leaves at 5:45 pm. [user] that sounds like what i need.
State: [state] departure_date=the 1st airlines=none seating_class=c destination_airport=philly number_of_tickets=none origin_airport=berlin return_date=march 6th

[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) 1 b) 3 c) 4 d) 2 origin_airport=san diego seating_class=dontcare of possible values a) economy b) business c) premium economy return_date=11th of this month airlines=g of possible values a) lot polish airlines b) delta airlines c) latam brasil d) air canada e) american airlines f) south african airways g) united airlines h) air france i) southwest airlines j) alaska airlines k) british airways departure_date=next monday destination_airport=san francisco [context] [user] hey i need an economy round trip ticket to philly and i'll be returning on march 6th. [system] what city will you be departing from? [user] i will be leaving from berlin. [system] and what date would you like to fly? [user] i need the travel to start on the 1st. [system] i found 2 flights for you with american airlines.the ticket would be $499. the first flight departs at 2:55 am and the return flight leaves at 5:45 pm. [user] that sounds like what i need. [system] do you need assistance with anything else? [user] no, that's it. thanks.
State: [state] number_of_tickets=none origin_airport=berlin seating_class=a return_date=march 6th airlines=none departure_date=the 1st destination_airport=philly