[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 destination=sf seating_class=b of possible values a) premium economy b) economy c) business d) first class return_date=the 13th passengers=c of possible values a) 3 b) 4 c) 1 d) 2 airlines=e of possible values a) southwest airlines b) alaska airlines c) air france d) united airlines e) delta airlines f) british airways g) american airlines h) air canada departure_date=9th of this month [context] [user] can you look for a one way flight?
State: [state] origin=none destination=none seating_class=none return_date=none passengers=none airlines=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] airlines=f of possible values a) air canada b) american airlines c) air france d) united airlines e) southwest airlines f) delta airlines g) alaska airlines h) british airways destination=sf seating_class=a of possible values a) economy b) first class c) premium economy d) business origin=seattle return_date=the 13th departure_date=9th of this month passengers=d of possible values a) 4 b) 3 c) 2 d) 1 [context] [user] can you look for a one way flight? [system] where will you be going? [user] las vegas to delhi, india.
State: [state] airlines=none destination=delhi, india seating_class=none origin=las vegas return_date=none departure_date=none 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] passengers=d of possible values a) 4 b) 2 c) 3 d) 1 return_date=the 13th origin=seattle airlines=b of possible values a) british airways b) delta airlines c) american airlines d) air canada e) air france f) united airlines g) alaska airlines h) southwest airlines departure_date=9th of this month seating_class=c of possible values a) premium economy b) business c) economy d) first class destination=sf [context] [user] can you look for a one way flight? [system] where will you be going? [user] las vegas to delhi, india. [system] when are you leaving? [user] there will be two people and we're leaving on march 4th.
State: [state] passengers=b return_date=none origin=las vegas airlines=none departure_date=march 4th seating_class=none destination=delhi, india

[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 seating_class=c of possible values a) premium economy b) first class c) economy d) business origin=seattle passengers=a of possible values a) 1 b) 4 c) 2 d) 3 destination=sf airlines=h of possible values a) southwest airlines b) air france c) alaska airlines d) british airways e) air canada f) united airlines g) american airlines h) delta airlines [context] [user] can you look for a one way flight? [system] where will you be going? [user] las vegas to delhi, india. [system] when are you leaving? [user] there will be two people and we're leaving on march 4th. [system] i found 2 flights with 1 stop. it's with american airlines and will take off at 10:55 am. it costs $321. [user] okay. thanks, that's all.
State: [state] return_date=none departure_date=march 4th seating_class=none origin=las vegas passengers=c destination=delhi, india airlines=g