[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] passengers=d of possible values a) 3 b) 2 c) 4 d) 1 seating_class=a of possible values a) economy b) business c) premium economy d) first class return_date=the 13th departure_date=9th of this month destination=sf origin=seattle airlines=h of possible values a) air france b) air canada c) alaska airlines d) southwest airlines e) united airlines f) british airways g) american airlines h) delta airlines [context] [user] i need a one way flight
State: [state] passengers=none seating_class=none return_date=none departure_date=none destination=none origin=none airlines=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] destination=sf airlines=f of possible values a) southwest airlines b) air canada c) united airlines d) british airways e) alaska airlines f) delta airlines g) air france h) american airlines return_date=the 13th departure_date=9th of this month passengers=a of possible values a) 1 b) 3 c) 2 d) 4 seating_class=b of possible values a) business b) economy c) premium economy d) first class origin=seattle [context] [user] i need a one way flight [system] ok, which date and what is your departure location? [user] i want to travel on the 12th of this month from sd. economy ticket please.
State: [state] destination=none airlines=none return_date=none departure_date=12th of this month passengers=none seating_class=b origin=sd

[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 passengers=c of possible values a) 3 b) 2 c) 1 d) 4 airlines=b of possible values a) air canada b) delta airlines c) british airways d) alaska airlines e) air france f) southwest airlines g) american airlines h) united airlines seating_class=a of possible values a) economy b) first class c) business d) premium economy departure_date=9th of this month destination=sf [context] [user] i need a one way flight [system] ok, which date and what is your departure location? [user] i want to travel on the 12th of this month from sd. economy ticket please. [system] where are you flying to? [user] arrival into sf. 1 ticket please.
State: [state] return_date=none origin=sd passengers=c airlines=none seating_class=a departure_date=12th of this month destination=sf

[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] destination=sf airlines=g of possible values a) american airlines b) british airways c) united airlines d) southwest airlines e) alaska airlines f) air canada g) delta airlines h) air france origin=seattle seating_class=b of possible values a) business b) economy c) first class d) premium economy return_date=the 13th passengers=c of possible values a) 2 b) 4 c) 1 d) 3 departure_date=9th of this month [context] [user] i need a one way flight [system] ok, which date and what is your departure location? [user] i want to travel on the 12th of this month from sd. economy ticket please. [system] where are you flying to? [user] arrival into sf. 1 ticket please. [system] i have found a flight with alaska airlines. it leaves at 11:10 am with 0 stops. it costs $99 [user] ok, thank you. that's all.
State: [state] destination=sf airlines=e origin=sd seating_class=b return_date=none passengers=c departure_date=12th of this month