[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=d of possible values a) 2 b) 4 c) 3 d) 1 destination=sf departure_date=9th of this month seating_class=b of possible values a) first class b) economy c) premium economy d) business return_date=the 13th origin=seattle airlines=e of possible values a) american airlines b) united airlines c) air canada d) air france e) delta airlines f) southwest airlines g) alaska airlines h) british airways [context] [user] i'm looking for a flight
State: [state] passengers=none destination=none departure_date=none seating_class=none return_date=none origin=none 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] seating_class=c of possible values a) premium economy b) first class c) economy d) business destination=sf passengers=c of possible values a) 3 b) 2 c) 1 d) 4 return_date=the 13th airlines=c of possible values a) air france b) air canada c) delta airlines d) alaska airlines e) southwest airlines f) british airways g) united airlines h) american airlines departure_date=9th of this month origin=seattle [context] [user] i'm looking for a flight [system] which day is your return? [user] on the 12th. find me an economy ticket
State: [state] seating_class=c destination=none passengers=none return_date=the 12th airlines=none departure_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] seating_class=a of possible values a) economy b) first class c) business d) premium economy airlines=b of possible values a) american airlines b) delta airlines c) air canada d) united airlines e) air france f) alaska airlines g) southwest airlines h) british airways destination=sf origin=seattle departure_date=9th of this month return_date=the 13th passengers=d of possible values a) 2 b) 4 c) 3 d) 1 [context] [user] i'm looking for a flight [system] which day is your return? [user] on the 12th. find me an economy ticket [system] where do you want to go, and where are you traveling from? also what are your travel dates? [user] i am flying to london, uk from san francisco. i want to leave on the 9th of march
State: [state] seating_class=a airlines=none destination=london, uk origin=san francisco departure_date=9th of march return_date=the 12th 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] destination=sf seating_class=b of possible values a) first class b) economy c) business d) premium economy return_date=the 13th airlines=g of possible values a) air canada b) southwest airlines c) united airlines d) air france e) american airlines f) alaska airlines g) delta airlines h) british airways passengers=d of possible values a) 2 b) 3 c) 4 d) 1 departure_date=9th of this month origin=seattle [context] [user] i'm looking for a flight [system] which day is your return? [user] on the 12th. find me an economy ticket [system] where do you want to go, and where are you traveling from? also what are your travel dates? [user] i am flying to london, uk from san francisco. i want to leave on the 9th of march [system] i found 3 flights. there is an american airlines flight ath leaves at 7:05 am and the return flight back leaves at 3:05 pm. it'll cost $391 [user] ok that's good
State: [state] destination=london, uk seating_class=b return_date=the 12th airlines=e passengers=none departure_date=9th of march origin=san francisco

[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 airlines=f of possible values a) british airways b) united airlines c) air france d) southwest airlines e) american airlines f) delta airlines g) air canada h) alaska airlines destination=sf departure_date=9th of this month origin=seattle passengers=d of possible values a) 4 b) 3 c) 2 d) 1 seating_class=b of possible values a) business b) economy c) first class d) premium economy [context] [user] i'm looking for a flight [system] which day is your return? [user] on the 12th. find me an economy ticket [system] where do you want to go, and where are you traveling from? also what are your travel dates? [user] i am flying to london, uk from san francisco. i want to leave on the 9th of march [system] i found 3 flights. there is an american airlines flight ath leaves at 7:05 am and the return flight back leaves at 3:05 pm. it'll cost $391 [user] ok that's good [system] can i help you with something else? [user] no that's all thanks
State: [state] return_date=the 12th airlines=e destination=london, uk departure_date=9th of march origin=san francisco passengers=none seating_class=b