[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] departure_date=9th of this month destination=sf airlines=f of possible values a) united airlines b) southwest airlines c) air canada d) american airlines e) british airways f) delta airlines g) air france h) alaska airlines return_date=the 13th seating_class=b of possible values a) business b) economy c) premium economy d) first class passengers=a of possible values a) 1 b) 2 c) 4 d) 3 origin=seattle [context] [user] i want to find a one way flight to san francisco in economy class.
State: [state] departure_date=none destination=san francisco airlines=none return_date=none seating_class=b passengers=none origin=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] airlines=c of possible values a) southwest airlines b) american airlines c) delta airlines d) british airways e) alaska airlines f) united airlines g) air canada h) air france departure_date=9th of this month seating_class=c of possible values a) business b) first class c) economy d) premium economy origin=seattle passengers=a of possible values a) 1 b) 3 c) 2 d) 4 destination=sf return_date=the 13th [context] [user] i want to find a one way flight to san francisco in economy class. [system] what city do you want to leave from? [user] i want to leave from toronto, ontario.
State: [state] airlines=none departure_date=none seating_class=c origin=toronto, ontario passengers=none destination=san francisco return_date=none

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] return_date=the 13th airlines=e of possible values a) alaska airlines b) american airlines c) southwest airlines d) air canada e) delta airlines f) air france g) british airways h) united airlines departure_date=9th of this month destination=sf seating_class=c of possible values a) premium economy b) business c) economy d) first class passengers=a of possible values a) 1 b) 3 c) 4 d) 2 origin=seattle [context] [user] i want to find a one way flight to san francisco in economy class. [system] what city do you want to leave from? [user] i want to leave from toronto, ontario. [system] what date would you like to depart on? [user] i want to leave on the 7th of march. i'd prefer to fly with delta airlines.
State: [state] return_date=none airlines=e departure_date=7th of march destination=san francisco seating_class=c passengers=none origin=toronto, ontario

[example] [user] i am looking for a flight from seattle that return on the 13th. [system] where are you planning to go? what date would you like to travel? [user] i am flying to sf on the 9th of this month and want one economy class ticket. [system] i found 3 flights for you. would you like to fly with delta airlines? the flight takes off at 6:10 am and returns 8 am. the ticket costs $131. [user] ok. [slots] return_date=the 13th origin=seattle seating_class=b of possible values a) premium economy b) economy c) business d) first class passengers=b of possible values a) 3 b) 1 c) 2 d) 4 destination=sf airlines=d of possible values a) united airlines b) american airlines c) air france d) delta airlines e) alaska airlines f) air canada g) southwest airlines h) british airways departure_date=9th of this month [context] [user] i want to find a one way flight to san francisco in economy class. [system] what city do you want to leave from? [user] i want to leave from toronto, ontario. [system] what date would you like to depart on? [user] i want to leave on the 7th of march. i'd prefer to fly with delta airlines. [system] i found a flight with delta airlines. it takes off at 7:15 am and has 1 stop. the ticket costs $237. [user] ok, that's all i needed.
State: [state] return_date=none origin=toronto, ontario seating_class=b passengers=none destination=san francisco airlines=d departure_date=7th of march