[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] seating_class=a of possible values a) economy b) premium economy c) business d) first class airlines=h of possible values a) united airlines b) southwest airlines c) british airways d) air canada e) air france f) alaska airlines g) american airlines h) delta airlines 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 [context] [user] i would like to find a one way flight.
State: [state] seating_class=none airlines=none destination=none departure_date=none passengers=none return_date=none origin=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 return_date=the 13th passengers=b of possible values a) 3 b) 1 c) 2 d) 4 departure_date=9th of this month seating_class=b of possible values a) premium economy b) economy c) first class d) business origin=seattle airlines=h of possible values a) air france b) southwest airlines c) air canada d) alaska airlines e) american airlines f) british airways g) united airlines h) delta airlines [context] [user] i would like to find a one way flight. [system] what city would you be departing from and what date would you like to travel? [user] i would like economy class tickets for this sunday. i would like a flight from washington.
State: [state] destination=none return_date=none passengers=none departure_date=this sunday seating_class=b origin=washington 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 passengers=d of possible values a) 2 b) 3 c) 4 d) 1 destination=sf departure_date=9th of this month seating_class=a of possible values a) economy b) first class c) business d) premium economy return_date=the 13th airlines=b of possible values a) air france b) delta airlines c) american airlines d) british airways e) air canada f) southwest airlines g) united airlines h) alaska airlines [context] [user] i would like to find a one way flight. [system] what city would you be departing from and what date would you like to travel? [user] i would like economy class tickets for this sunday. i would like a flight from washington. [system] where are you planning to travel? [user] i will be flying to toronto, canada and i would like to use southwest airlines.
State: [state] origin=washington passengers=none destination=toronto, canada departure_date=this sunday seating_class=a return_date=none airlines=f

[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] seating_class=d of possible values a) business b) first class c) premium economy d) economy return_date=the 13th departure_date=9th of this month destination=sf passengers=c of possible values a) 4 b) 2 c) 1 d) 3 airlines=h of possible values a) united airlines b) southwest airlines c) alaska airlines d) air france e) british airways f) american airlines g) air canada h) delta airlines origin=seattle [context] [user] i would like to find a one way flight. [system] what city would you be departing from and what date would you like to travel? [user] i would like economy class tickets for this sunday. i would like a flight from washington. [system] where are you planning to travel? [user] i will be flying to toronto, canada and i would like to use southwest airlines. [system] i found 1 flight with southwest airlines that match your criteria. the flight takes off at 4:40 am and has 0 stops. the total cost of this ticket is $106. [user] okay thank you, that is all i need right now.
State: [state] seating_class=d return_date=none departure_date=this sunday destination=toronto, canada passengers=none airlines=b origin=washington