[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 passengers=d of possible values a) 4 b) 3 c) 2 d) 1 seating_class=a of possible values a) economy b) premium economy c) business d) first class origin=seattle departure_date=9th of this month return_date=the 13th airlines=c of possible values a) united airlines b) air canada c) delta airlines d) british airways e) southwest airlines f) air france g) american airlines h) alaska airlines [context] [user] i want to find a one way flight for 1 ticket.
State: [state] destination=none passengers=d seating_class=none origin=none departure_date=none return_date=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] origin=seattle departure_date=9th of this month destination=sf return_date=the 13th seating_class=b of possible values a) business b) economy c) premium economy d) first class passengers=b of possible values a) 2 b) 1 c) 3 d) 4 airlines=f of possible values a) british airways b) southwest airlines c) air france d) american airlines e) air canada f) delta airlines g) united airlines h) alaska airlines [context] [user] i want to find a one way flight for 1 ticket. [system] where are you planning to go? which city do you want to depart from? what date would you like to travel? [user] i am flying to london, england. i want to depart from chi-town on march 12th.
State: [state] origin=chi-town departure_date=march 12th destination=london, england return_date=none seating_class=none passengers=b 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] origin=seattle destination=sf return_date=the 13th airlines=g of possible values a) air canada b) alaska airlines c) air france d) united airlines e) british airways f) american airlines g) delta airlines h) southwest airlines passengers=c of possible values a) 4 b) 3 c) 1 d) 2 seating_class=d of possible values a) premium economy b) first class c) business d) economy departure_date=9th of this month [context] [user] i want to find a one way flight for 1 ticket. [system] where are you planning to go? which city do you want to depart from? what date would you like to travel? [user] i am flying to london, england. i want to depart from chi-town on march 12th. [system] would you like to fly american airlines? they have a flight taking off at 12:30 pm with 1 stop. the ticket price is $356. [user] look for flights departing from portland, or. instead.
State: [state] origin=portland, or destination=london, england return_date=none airlines=none passengers=c seating_class=none departure_date=march 12th

[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 seating_class=d of possible values a) first class b) business c) premium economy d) economy airlines=b of possible values a) british airways b) delta airlines c) air france d) united airlines e) american airlines f) air canada g) alaska airlines h) southwest airlines destination=sf return_date=the 13th departure_date=9th of this month passengers=b of possible values a) 4 b) 1 c) 2 d) 3 [context] [user] i want to find a one way flight for 1 ticket. [system] where are you planning to go? which city do you want to depart from? what date would you like to travel? [user] i am flying to london, england. i want to depart from chi-town on march 12th. [system] would you like to fly american airlines? they have a flight taking off at 12:30 pm with 1 stop. the ticket price is $356. [user] look for flights departing from portland, or. instead. [system] i found 1 flight for you. would you like to fly with united airlines? the flight departs at 12:05 pm with 1 stop, the ticket price is $406. [user] ok.
State: [state] origin=portland, or seating_class=none airlines=d destination=london, england return_date=none departure_date=march 12th passengers=b

[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=g of possible values a) southwest airlines b) american airlines c) united airlines d) air canada e) air france f) alaska airlines g) delta airlines h) british airways return_date=the 13th origin=seattle departure_date=9th of this month passengers=c of possible values a) 3 b) 2 c) 1 d) 4 seating_class=a of possible values a) economy b) premium economy c) business d) first class destination=sf [context] [user] i want to find a one way flight for 1 ticket. [system] where are you planning to go? which city do you want to depart from? what date would you like to travel? [user] i am flying to london, england. i want to depart from chi-town on march 12th. [system] would you like to fly american airlines? they have a flight taking off at 12:30 pm with 1 stop. the ticket price is $356. [user] look for flights departing from portland, or. instead. [system] i found 1 flight for you. would you like to fly with united airlines? the flight departs at 12:05 pm with 1 stop, the ticket price is $406. [user] ok. [system] can i help you with anything else? [user] no. thanks for your help.
State: [state] airlines=c return_date=none origin=portland, or departure_date=march 12th passengers=c seating_class=none destination=london, england