[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 passengers=a of possible values a) 1 b) 4 c) 3 d) 2 destination=sf airlines=a of possible values a) delta airlines b) united airlines c) air canada d) southwest airlines e) british airways f) air france g) american airlines h) alaska airlines return_date=the 13th origin=seattle seating_class=c of possible values a) first class b) premium economy c) economy d) business [context] [user] i want to book four tickets for a flight.
State: [state] departure_date=none passengers=b destination=none airlines=none return_date=none origin=none 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] return_date=the 13th origin=seattle seating_class=d of possible values a) business b) premium economy c) first class d) economy airlines=f of possible values a) air france b) southwest airlines c) united airlines d) american airlines e) british airways f) delta airlines g) alaska airlines h) air canada destination=sf departure_date=9th of this month passengers=a of possible values a) 1 b) 2 c) 4 d) 3 [context] [user] i want to book four tickets for a flight. [system] where are you planning to go? which day do you want the return flight to be? [user] i want to return on the 11th of this month. i am flying to chicago and want to fly with southwest airlines.
State: [state] return_date=11th of this month origin=none seating_class=none airlines=b destination=chicago departure_date=none passengers=c

[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 seating_class=b of possible values a) business b) economy c) premium economy d) first class return_date=the 13th airlines=d of possible values a) southwest airlines b) air canada c) air france d) delta airlines e) united airlines f) british airways g) alaska airlines h) american airlines passengers=a of possible values a) 1 b) 2 c) 4 d) 3 [context] [user] i want to book four tickets for a flight. [system] where are you planning to go? which day do you want the return flight to be? [user] i want to return on the 11th of this month. i am flying to chicago and want to fly with southwest airlines. [system] what date would you like to travel? which city do you want to depart from? [user] i want to start my travel on the 7th of march. i am departing from nyc.
State: [state] origin=nyc departure_date=7th of march destination=chicago seating_class=none return_date=11th of this month airlines=a passengers=c

[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) british airways b) alaska airlines c) american airlines d) southwest airlines e) air france f) united airlines g) delta airlines h) air canada passengers=a of possible values a) 1 b) 4 c) 3 d) 2 destination=sf seating_class=c of possible values a) premium economy b) first class c) economy d) business origin=seattle departure_date=9th of this month return_date=the 13th [context] [user] i want to book four tickets for a flight. [system] where are you planning to go? which day do you want the return flight to be? [user] i want to return on the 11th of this month. i am flying to chicago and want to fly with southwest airlines. [system] what date would you like to travel? which city do you want to depart from? [user] i want to start my travel on the 7th of march. i am departing from nyc. [system] do you want to fly with southwest airlines? the flight departs at 4:20 am and has a returning flight at 9:50 pm. tickets will cost $125. [user] ok, that is fine. i want a one way economy class flight please.
State: [state] airlines=d passengers=b destination=chicago seating_class=c origin=nyc departure_date=7th of march return_date=11th of this month

[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=d of possible values a) british airways b) american airlines c) southwest airlines d) delta airlines e) united airlines f) air canada g) air france h) alaska airlines passengers=c of possible values a) 2 b) 4 c) 1 d) 3 destination=sf departure_date=9th of this month return_date=the 13th seating_class=a of possible values a) economy b) first class c) business d) premium economy [context] [user] i want to book four tickets for a flight. [system] where are you planning to go? which day do you want the return flight to be? [user] i want to return on the 11th of this month. i am flying to chicago and want to fly with southwest airlines. [system] what date would you like to travel? which city do you want to depart from? [user] i want to start my travel on the 7th of march. i am departing from nyc. [system] do you want to fly with southwest airlines? the flight departs at 4:20 am and has a returning flight at 9:50 pm. tickets will cost $125. [user] ok, that is fine. i want a one way economy class flight please. [system] i found 1 flight for you. would you like to fly with southwest airlines? the flight takes off at 4:20 am, has 0 stops, and will cost $111. [user] ok.
State: [state] origin=nyc airlines=c passengers=b destination=chicago departure_date=7th of march return_date=11th of this month seating_class=a

[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 passengers=c of possible values a) 2 b) 4 c) 1 d) 3 departure_date=9th of this month destination=sf 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) alaska airlines c) american airlines d) air france e) delta airlines f) united airlines g) air canada h) southwest airlines origin=seattle [context] [user] i want to book four tickets for a flight. [system] where are you planning to go? which day do you want the return flight to be? [user] i want to return on the 11th of this month. i am flying to chicago and want to fly with southwest airlines. [system] what date would you like to travel? which city do you want to depart from? [user] i want to start my travel on the 7th of march. i am departing from nyc. [system] do you want to fly with southwest airlines? the flight departs at 4:20 am and has a returning flight at 9:50 pm. tickets will cost $125. [user] ok, that is fine. i want a one way economy class flight please. [system] i found 1 flight for you. would you like to fly with southwest airlines? the flight takes off at 4:20 am, has 0 stops, and will cost $111. [user] ok. [system] can i help you with anything else? [user] no. thanks for your help.
State: [state] return_date=11th of this month passengers=b departure_date=7th of march destination=chicago seating_class=b airlines=h origin=nyc