[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 airlines=h of possible values a) air canada b) air france c) united airlines d) alaska airlines e) southwest airlines f) british airways g) american airlines h) delta airlines return_date=the 13th seating_class=c of possible values a) business b) first class c) economy d) premium economy destination=sf passengers=b of possible values a) 4 b) 1 c) 3 d) 2 [context] [user] whether i could get 4 flight tickets?
State: [state] origin=none departure_date=none airlines=none return_date=none seating_class=none destination=none passengers=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] destination=sf departure_date=9th of this month passengers=c of possible values a) 2 b) 4 c) 1 d) 3 return_date=the 13th origin=seattle airlines=g of possible values a) american airlines b) air canada c) air france d) southwest airlines e) united airlines f) british airways g) delta airlines h) alaska airlines seating_class=c of possible values a) premium economy b) first class c) economy d) business [context] [user] whether i could get 4 flight tickets? [system] which date would you like to travel and which place do you wish to go and from which city do you wish to depart? [user] i like to go toronto, canada. i wish to start my travel today. please find any flights from washington?
State: [state] destination=toronto, canada departure_date=today passengers=b return_date=none origin=washington airlines=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] origin=seattle return_date=the 13th seating_class=b of possible values a) business b) economy c) first class d) premium economy passengers=d of possible values a) 4 b) 2 c) 3 d) 1 departure_date=9th of this month destination=sf airlines=b of possible values a) british airways b) delta airlines c) alaska airlines d) air france e) united airlines f) air canada g) american airlines h) southwest airlines [context] [user] whether i could get 4 flight tickets? [system] which date would you like to travel and which place do you wish to go and from which city do you wish to depart? [user] i like to go toronto, canada. i wish to start my travel today. please find any flights from washington? [system] i found 2 flights to reach toronto,canada. whether you wish to fly with american airlines. the flight will depart at 5:40 pm. and it has 0 stops. the ticket costs $89. [user] ok , thank you for needful information
State: [state] origin=washington return_date=none seating_class=none passengers=a departure_date=today destination=toronto, canada airlines=g

[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 seating_class=d of possible values a) premium economy b) first class c) business d) economy passengers=d of possible values a) 4 b) 2 c) 3 d) 1 airlines=h of possible values a) southwest airlines b) alaska airlines c) british airways d) air canada e) air france f) united airlines g) american airlines h) delta airlines destination=sf departure_date=9th of this month origin=seattle [context] [user] whether i could get 4 flight tickets? [system] which date would you like to travel and which place do you wish to go and from which city do you wish to depart? [user] i like to go toronto, canada. i wish to start my travel today. please find any flights from washington? [system] i found 2 flights to reach toronto,canada. whether you wish to fly with american airlines. the flight will depart at 5:40 pm. and it has 0 stops. the ticket costs $89. [user] ok , thank you for needful information [system] can i help you with some other information? [user] no, thanks
State: [state] return_date=none seating_class=none passengers=a airlines=g destination=toronto, canada departure_date=today origin=washington