[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 origin=seattle seating_class=c of possible values a) first class b) premium economy c) economy d) business passengers=c of possible values a) 2 b) 3 c) 1 d) 4 destination=sf airlines=a of possible values a) delta airlines b) air france c) british airways d) alaska airlines e) american airlines f) southwest airlines g) air canada h) united airlines return_date=the 13th [context] [user] where can i find a one way flight?
State: [state] departure_date=none origin=none seating_class=none passengers=none destination=none airlines=none 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] origin=seattle passengers=b of possible values a) 2 b) 1 c) 4 d) 3 departure_date=9th of this month return_date=the 13th seating_class=b of possible values a) premium economy b) economy c) business d) first class airlines=e of possible values a) british airways b) american airlines c) air france d) united airlines e) delta airlines f) alaska airlines g) southwest airlines h) air canada destination=sf [context] [user] where can i find a one way flight? [system] what cities do you plan to leave from and go to? [user] look for a flight from los angeles to portland, or
State: [state] origin=los angeles passengers=none departure_date=none return_date=none seating_class=none airlines=none destination=portland, or

[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) british airways b) alaska airlines c) delta airlines d) american airlines e) united airlines f) southwest airlines g) air canada h) air france return_date=the 13th origin=seattle destination=sf passengers=b of possible values a) 2 b) 1 c) 4 d) 3 departure_date=9th of this month seating_class=b of possible values a) first class b) economy c) business d) premium economy [context] [user] where can i find a one way flight? [system] what cities do you plan to leave from and go to? [user] look for a flight from los angeles to portland, or [system] what day do you want to travel? [user] i'll be leaving los angeles on the 6th
State: [state] airlines=none return_date=none origin=los angeles destination=portland, or passengers=none departure_date=the 6th seating_class=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] origin=seattle airlines=a of possible values a) delta airlines b) air canada c) alaska airlines d) southwest airlines e) air france f) british airways g) american airlines h) united airlines destination=sf seating_class=c of possible values a) premium economy b) business c) economy d) first class passengers=d of possible values a) 4 b) 3 c) 2 d) 1 departure_date=9th of this month return_date=the 13th [context] [user] where can i find a one way flight? [system] what cities do you plan to leave from and go to? [user] look for a flight from los angeles to portland, or [system] what day do you want to travel? [user] i'll be leaving los angeles on the 6th [system] alaska airlines leaves at 7:25 am, has 0 stops, and costs $144. does this sound good? [user] that's great. thanks.
State: [state] origin=los angeles airlines=c destination=portland, or seating_class=none passengers=none departure_date=the 6th return_date=none