[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=a of possible values a) 1 b) 4 c) 2 d) 3 origin=seattle seating_class=c of possible values a) premium economy b) first class c) economy d) business airlines=c of possible values a) air canada b) united airlines c) delta airlines d) southwest airlines e) air france f) alaska airlines g) british airways h) american airlines departure_date=9th of this month return_date=the 13th [context] [user] i am going to france but i need a one way flight.can you please find me economy class tickets?
State: [state] destination=none passengers=none origin=none seating_class=c airlines=none departure_date=none return_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] departure_date=9th of this month origin=seattle destination=sf seating_class=b of possible values a) first class b) economy c) business d) premium economy passengers=c of possible values a) 4 b) 3 c) 1 d) 2 airlines=c of possible values a) alaska airlines b) southwest airlines c) delta airlines d) united airlines e) american airlines f) british airways g) air canada h) air france return_date=the 13th [context] [user] i am going to france but i need a one way flight.can you please find me economy class tickets? [system] well, i'm planning to go to france but ill leave riverview on saturday. [user] i'm leaving london, england in a couple day's. i only have money for two more people. we will be heading to new york.
State: [state] departure_date=none origin=london, england destination=new york seating_class=b passengers=d airlines=none return_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 seating_class=a of possible values a) economy b) premium economy c) business d) first class departure_date=9th of this month airlines=a of possible values a) delta airlines b) alaska airlines c) air france d) american airlines e) british airways f) united airlines g) air canada h) southwest airlines passengers=b of possible values a) 3 b) 1 c) 4 d) 2 [context] [user] i am going to france but i need a one way flight.can you please find me economy class tickets? [system] well, i'm planning to go to france but ill leave riverview on saturday. [user] i'm leaving london, england in a couple day's. i only have money for two more people. we will be heading to new york. [system] i'd like to leave on march the 2nd. [user] ill start my travels on march 2nd. so can i get four tickets please?
State: [state] origin=london, england return_date=none destination=new york seating_class=a departure_date=march 2nd airlines=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] airlines=b of possible values a) air canada b) delta airlines c) united airlines d) british airways e) southwest airlines f) alaska airlines g) american airlines h) air france passengers=a of possible values a) 1 b) 3 c) 2 d) 4 departure_date=9th of this month seating_class=c of possible values a) first class b) business c) economy d) premium economy return_date=the 13th destination=sf origin=seattle [context] [user] i am going to france but i need a one way flight.can you please find me economy class tickets? [system] well, i'm planning to go to france but ill leave riverview on saturday. [user] i'm leaving london, england in a couple day's. i only have money for two more people. we will be heading to new york. [system] i'd like to leave on march the 2nd. [user] ill start my travels on march 2nd. so can i get four tickets please? [system] i'd love to fly with british airways, but i'm afraid i wont have the time for 9:15 am in the morning and i'm low on cash to pay $188. i have 0 ideas left so tell me the 2 out of your 3 flights. [user] wonderful! thank you, this is all i needed.
State: [state] airlines=d passengers=d departure_date=march 2nd seating_class=c return_date=none destination=new york origin=london, england