[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=j of possible values a) american airlines b) delta airlines c) south african airways d) british airways e) air canada f) air france g) latam brasil h) lot polish airlines i) alaska airlines j) united airlines k) southwest airlines seating_class=dontcare of possible values a) premium economy b) business c) economy origin_airport=san diego departure_date=next monday destination_airport=san francisco number_of_tickets=a of possible values a) 2 b) 3 c) 1 d) 4 return_date=11th of this month [context] [user] i'm going to visit some friends and am looking for a round trip flight. i need to return on march 9th.
State: [state] airlines=none seating_class=none origin_airport=none departure_date=none destination_airport=none number_of_tickets=none return_date=march 9th

[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) economy c) business departure_date=next monday destination_airport=san francisco origin_airport=san diego airlines=g of possible values a) lot polish airlines b) air canada c) british airways d) alaska airlines e) american airlines f) air france g) united airlines h) south african airways i) delta airlines j) southwest airlines k) latam brasil number_of_tickets=a of possible values a) 2 b) 1 c) 4 d) 3 return_date=11th of this month [context] [user] i'm going to visit some friends and am looking for a round trip flight. i need to return on march 9th. [system] sure, i can help you with that. i just need to know what date you will be leaving, the city you are departing from, and the city that you'll be visiting. [user] of course, i would like to start traveling on wednesday next week. the easiest place for my to fly out of is washington and i will be flying to london.
State: [state] seating_class=none departure_date=wednesday next week destination_airport=london origin_airport=washington airlines=none number_of_tickets=none return_date=march 9th

[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) latam brasil b) air france c) lot polish airlines d) south african airways e) american airlines f) united airlines g) alaska airlines h) delta airlines i) southwest airlines j) british airways k) air canada origin_airport=san diego seating_class=dontcare of possible values a) business b) economy c) premium economy return_date=11th of this month destination_airport=san francisco departure_date=next monday number_of_tickets=b of possible values a) 4 b) 2 c) 1 d) 3 [context] [user] i'm going to visit some friends and am looking for a round trip flight. i need to return on march 9th. [system] sure, i can help you with that. i just need to know what date you will be leaving, the city you are departing from, and the city that you'll be visiting. [user] of course, i would like to start traveling on wednesday next week. the easiest place for my to fly out of is washington and i will be flying to london. [system] ok, there is a flight available that you might be interested in. it is an american airlines flight costing $571. the departing flight takes off at 3:15 pm and the returning flight takes off at 12:45 pm. [user] that will work perfectly. thank you.
State: [state] airlines=none origin_airport=washington seating_class=none return_date=march 9th destination_airport=london departure_date=wednesday next week 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 origin_airport=san diego seating_class=dontcare of possible values a) premium economy b) economy c) business departure_date=next monday destination_airport=san francisco airlines=b of possible values a) delta airlines b) united airlines c) south african airways d) latam brasil e) air france f) alaska airlines g) air canada h) southwest airlines i) lot polish airlines j) american airlines k) british airways number_of_tickets=d of possible values a) 1 b) 4 c) 3 d) 2 [context] [user] i'm going to visit some friends and am looking for a round trip flight. i need to return on march 9th. [system] sure, i can help you with that. i just need to know what date you will be leaving, the city you are departing from, and the city that you'll be visiting. [user] of course, i would like to start traveling on wednesday next week. the easiest place for my to fly out of is washington and i will be flying to london. [system] ok, there is a flight available that you might be interested in. it is an american airlines flight costing $571. the departing flight takes off at 3:15 pm and the returning flight takes off at 12:45 pm. [user] that will work perfectly. thank you. [system] do you need anything else today? [user] no, that's all i needed. thanks again.
State: [state] return_date=march 9th origin_airport=washington seating_class=none departure_date=wednesday next week destination_airport=london airlines=none number_of_tickets=none