[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=b of possible values a) 4 b) 1 c) 3 d) 2 airlines=f of possible values a) air canada b) american airlines c) british airways d) air france e) united airlines f) delta airlines g) southwest airlines h) alaska airlines destination=sf return_date=the 13th seating_class=b of possible values a) first class b) economy c) business d) premium economy departure_date=9th of this month [context] [user] i'd like a one way flight.
State: [state] origin=none passengers=none airlines=none destination=none return_date=none seating_class=none 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] return_date=the 13th seating_class=c of possible values a) first class b) business c) economy d) premium economy passengers=d of possible values a) 4 b) 2 c) 3 d) 1 destination=sf origin=seattle departure_date=9th of this month airlines=g of possible values a) alaska airlines b) air france c) air canada d) united airlines e) american airlines f) british airways g) delta airlines h) southwest airlines [context] [user] i'd like a one way flight. [system] on which date do you want to travel? where will you leave from and where do you want to go? [user] i am flying to san francisco from lax and would like to leave on 12th of march.
State: [state] return_date=none seating_class=none passengers=none destination=san francisco origin=lax departure_date=12th of march 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] destination=sf airlines=g of possible values a) american airlines b) alaska airlines c) air france d) british airways e) air canada f) united airlines g) delta airlines h) southwest airlines passengers=c of possible values a) 4 b) 2 c) 1 d) 3 return_date=the 13th seating_class=d of possible values a) premium economy b) first class c) business d) economy departure_date=9th of this month origin=seattle [context] [user] i'd like a one way flight. [system] on which date do you want to travel? where will you leave from and where do you want to go? [user] i am flying to san francisco from lax and would like to leave on 12th of march. [system] i found 5 flights for you. do you want to fly with alaska airlines? the flight leaves at 5:50 pm and has 0 stops. it costs $97. [user] okay.
State: [state] destination=san francisco airlines=b passengers=none return_date=none seating_class=none departure_date=12th of march origin=lax

[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=b of possible values a) 4 b) 1 c) 3 d) 2 origin=seattle seating_class=b of possible values a) business b) economy c) premium economy d) first class destination=sf departure_date=9th of this month return_date=the 13th airlines=h of possible values a) american airlines b) british airways c) southwest airlines d) air france e) alaska airlines f) united airlines g) air canada h) delta airlines [context] [user] i'd like a one way flight. [system] on which date do you want to travel? where will you leave from and where do you want to go? [user] i am flying to san francisco from lax and would like to leave on 12th of march. [system] i found 5 flights for you. do you want to fly with alaska airlines? the flight leaves at 5:50 pm and has 0 stops. it costs $97. [user] okay. [system] would i be able to help with something else? [user] no, that is all.
State: [state] passengers=none origin=lax seating_class=none destination=san francisco departure_date=12th of march return_date=none airlines=e