[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=c of possible values a) 4 b) 3 c) 1 d) 2 destination=sf origin=seattle departure_date=9th of this month seating_class=c of possible values a) business b) first class c) economy d) premium economy return_date=the 13th airlines=e of possible values a) southwest airlines b) british airways c) united airlines d) american airlines e) delta airlines f) air canada g) alaska airlines h) air france [context] [user] i need a one way flight, preferably an economy class ticket for the 3rd of march, please.
State: [state] passengers=none destination=none origin=none departure_date=3rd of march seating_class=c return_date=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] return_date=the 13th departure_date=9th of this month airlines=a of possible values a) delta airlines b) southwest airlines c) american airlines d) air canada e) alaska airlines f) united airlines g) air france h) british airways passengers=c of possible values a) 2 b) 4 c) 1 d) 3 destination=sf origin=seattle seating_class=c of possible values a) business b) first class c) economy d) premium economy [context] [user] i need a one way flight, preferably an economy class ticket for the 3rd of march, please. [system] which destination do you desire? [user] i need to fly from chi-town to paris, france and prefer to fly with united airlines.
State: [state] return_date=none departure_date=3rd of march airlines=f passengers=none destination=paris, france origin=chi-town seating_class=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] seating_class=a of possible values a) economy b) business c) first class d) premium economy return_date=the 13th origin=seattle departure_date=9th of this month passengers=b of possible values a) 2 b) 1 c) 3 d) 4 destination=sf airlines=h of possible values a) southwest airlines b) alaska airlines c) air france d) air canada e) british airways f) american airlines g) united airlines h) delta airlines [context] [user] i need a one way flight, preferably an economy class ticket for the 3rd of march, please. [system] which destination do you desire? [user] i need to fly from chi-town to paris, france and prefer to fly with united airlines. [system] i have found 1 flight for you with united airlines. it is for march 3rd at 3:15 pm with only 1 stop and is priced at $323. [user] where would i be landing, and did i mention that i needed it for 5 passengers?
State: [state] seating_class=a return_date=none origin=chi-town departure_date=3rd of march passengers=none destination=paris, france airlines=g

[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 destination=sf seating_class=c of possible values a) first class b) business c) economy d) premium economy origin=seattle airlines=a of possible values a) delta airlines b) american airlines c) southwest airlines d) alaska airlines e) united airlines f) air france g) air canada h) british airways return_date=the 13th passengers=a of possible values a) 1 b) 3 c) 2 d) 4 [context] [user] i need a one way flight, preferably an economy class ticket for the 3rd of march, please. [system] which destination do you desire? [user] i need to fly from chi-town to paris, france and prefer to fly with united airlines. [system] i have found 1 flight for you with united airlines. it is for march 3rd at 3:15 pm with only 1 stop and is priced at $323. [user] where would i be landing, and did i mention that i needed it for 5 passengers? [system] you would be flying into charles de gaulle international airport, but is for only 1 passenger. [user] okay, thanks.
State: [state] departure_date=3rd of march destination=paris, france seating_class=c origin=chi-town airlines=e return_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] airlines=h of possible values a) air france b) american airlines c) british airways d) southwest airlines e) air canada f) united airlines g) alaska airlines h) delta airlines seating_class=c of possible values a) first class b) premium economy c) economy d) business departure_date=9th of this month destination=sf origin=seattle return_date=the 13th passengers=d of possible values a) 2 b) 4 c) 3 d) 1 [context] [user] i need a one way flight, preferably an economy class ticket for the 3rd of march, please. [system] which destination do you desire? [user] i need to fly from chi-town to paris, france and prefer to fly with united airlines. [system] i have found 1 flight for you with united airlines. it is for march 3rd at 3:15 pm with only 1 stop and is priced at $323. [user] where would i be landing, and did i mention that i needed it for 5 passengers? [system] you would be flying into charles de gaulle international airport, but is for only 1 passenger. [user] okay, thanks. [system] will there be anything else for you today? [user] no, thank you. i appreciate your assistance.
State: [state] airlines=f seating_class=c departure_date=3rd of march destination=paris, france origin=chi-town return_date=none passengers=none