[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 airlines=d of possible values a) alaska airlines b) air france c) united airlines d) delta airlines e) british airways f) southwest airlines g) air canada h) american airlines passengers=b of possible values a) 4 b) 1 c) 2 d) 3 return_date=the 13th origin=seattle seating_class=d of possible values a) business b) first class c) premium economy d) economy [context] [user] i am looking for a round trip flight from toronto, ontario.
State: [state] destination=none departure_date=none airlines=none passengers=none return_date=none origin=toronto, ontario 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] passengers=a of possible values a) 1 b) 4 c) 3 d) 2 destination=sf seating_class=c of possible values a) business b) first class c) economy d) premium economy airlines=b of possible values a) southwest airlines b) delta airlines c) american airlines d) alaska airlines e) air canada f) air france g) united airlines h) british airways origin=seattle return_date=the 13th departure_date=9th of this month [context] [user] i am looking for a round trip flight from toronto, ontario. [system] when would you like to return and where are you planning to go? [user] i want to return on the 11th of march and i'm flying to sfo.
State: [state] passengers=none destination=sfo seating_class=none airlines=none origin=toronto, ontario return_date=11th of march departure_date=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 destination=sf departure_date=9th of this month seating_class=a of possible values a) economy b) business c) first class d) premium economy airlines=c of possible values a) american airlines b) united airlines c) delta airlines d) british airways e) air canada f) southwest airlines g) air france h) alaska airlines passengers=c of possible values a) 2 b) 3 c) 1 d) 4 [context] [user] i am looking for a round trip flight from toronto, ontario. [system] when would you like to return and where are you planning to go? [user] i want to return on the 11th of march and i'm flying to sfo. [system] when would you like to take off? [user] on the 2nd of march with american airlines.
State: [state] origin=toronto, ontario return_date=11th of march destination=sfo departure_date=2nd of march seating_class=none airlines=a passengers=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 departure_date=9th of this month passengers=b of possible values a) 4 b) 1 c) 3 d) 2 seating_class=a of possible values a) economy b) premium economy c) first class d) business origin=seattle destination=sf airlines=b of possible values a) american airlines b) delta airlines c) air france d) southwest airlines e) alaska airlines f) united airlines g) air canada h) british airways [context] [user] i am looking for a round trip flight from toronto, ontario. [system] when would you like to return and where are you planning to go? [user] i want to return on the 11th of march and i'm flying to sfo. [system] when would you like to take off? [user] on the 2nd of march with american airlines. [system] i found 1 flight for you. how about an american airlines flight that takes off at 5:55 am, returns at 7:05 am and costs $309? [user] how many stops does the flight have and which airport does the flight leave?
State: [state] return_date=11th of march departure_date=2nd of march passengers=none seating_class=none origin=toronto, ontario destination=sfo airlines=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] airlines=d of possible values a) british airways b) air france c) alaska airlines d) delta airlines e) united airlines f) american airlines g) southwest airlines h) air canada passengers=b of possible values a) 4 b) 1 c) 2 d) 3 origin=seattle destination=sf return_date=the 13th seating_class=d of possible values a) first class b) premium economy c) business d) economy departure_date=9th of this month [context] [user] i am looking for a round trip flight from toronto, ontario. [system] when would you like to return and where are you planning to go? [user] i want to return on the 11th of march and i'm flying to sfo. [system] when would you like to take off? [user] on the 2nd of march with american airlines. [system] i found 1 flight for you. how about an american airlines flight that takes off at 5:55 am, returns at 7:05 am and costs $309? [user] how many stops does the flight have and which airport does the flight leave? [system] it has 1 stop and takes off from toronto pearson international airport. [user] ok. thanks, that's all i need.
State: [state] airlines=f passengers=none origin=toronto, ontario destination=sfo return_date=11th of march seating_class=none departure_date=2nd of march