[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) alaska airlines b) air canada c) southwest airlines d) united airlines e) air france f) british airways g) american airlines h) delta airlines origin=seattle seating_class=c of possible values a) premium economy b) business c) economy d) first class departure_date=9th of this month destination=sf return_date=the 13th passengers=a of possible values a) 1 b) 2 c) 3 d) 4 [context] [user] i am looking for a flight.
State: [state] airlines=none origin=none seating_class=none departure_date=none destination=none 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] passengers=a of possible values a) 1 b) 2 c) 4 d) 3 airlines=g of possible values a) united airlines b) alaska airlines c) british airways d) air canada e) air france f) southwest airlines g) delta airlines h) american airlines departure_date=9th of this month origin=seattle seating_class=a of possible values a) economy b) premium economy c) business d) first class return_date=the 13th destination=sf [context] [user] i am looking for a flight. [system] when and where do you want to go? [user] i plan on leaving from paris, france this sunday. i want to go to atlanta with an economy seat.
State: [state] passengers=none airlines=none departure_date=this sunday origin=paris, france seating_class=a return_date=none destination=atlanta

[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 airlines=b of possible values a) united airlines b) delta airlines c) air canada d) british airways e) alaska airlines f) american airlines g) air france h) southwest airlines origin=seattle destination=sf passengers=b of possible values a) 2 b) 1 c) 3 d) 4 return_date=the 13th seating_class=d of possible values a) business b) first class c) premium economy d) economy [context] [user] i am looking for a flight. [system] when and where do you want to go? [user] i plan on leaving from paris, france this sunday. i want to go to atlanta with an economy seat. [system] there is a flight with air france that is $338. it leaves at 2:25 am and has 1 stop. [user] i prefer a different flight.
State: [state] departure_date=this sunday airlines=none origin=paris, france destination=atlanta passengers=none return_date=none seating_class=d

[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=d of possible values a) premium economy b) first class c) business d) economy departure_date=9th of this month passengers=a of possible values a) 1 b) 2 c) 4 d) 3 return_date=the 13th destination=sf airlines=d of possible values a) air canada b) southwest airlines c) british airways d) delta airlines e) united airlines f) american airlines g) air france h) alaska airlines origin=seattle [context] [user] i am looking for a flight. [system] when and where do you want to go? [user] i plan on leaving from paris, france this sunday. i want to go to atlanta with an economy seat. [system] there is a flight with air france that is $338. it leaves at 2:25 am and has 1 stop. [user] i prefer a different flight. [system] there is a flight with american airlines that costs $348. it takes off at 4:05 am and has 1 stop. [user] this is for 3 passengers, correct?
State: [state] seating_class=d departure_date=this sunday passengers=none return_date=none destination=atlanta airlines=none origin=paris, france

[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) 3 b) 2 c) 4 d) 1 return_date=the 13th departure_date=9th of this month airlines=h of possible values a) united airlines b) american airlines c) air france d) british airways e) southwest airlines f) alaska airlines g) air canada h) delta airlines seating_class=c of possible values a) premium economy b) business c) economy d) first class origin=seattle destination=sf [context] [user] i am looking for a flight. [system] when and where do you want to go? [user] i plan on leaving from paris, france this sunday. i want to go to atlanta with an economy seat. [system] there is a flight with air france that is $338. it leaves at 2:25 am and has 1 stop. [user] i prefer a different flight. [system] there is a flight with american airlines that costs $348. it takes off at 4:05 am and has 1 stop. [user] this is for 3 passengers, correct? [system] no, it is for 1 passenger. [user] i am looking for a flight.
State: [state] passengers=none return_date=none departure_date=this sunday airlines=b seating_class=c origin=paris, france destination=atlanta

[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 origin=seattle destination=sf passengers=b of possible values a) 2 b) 1 c) 3 d) 4 seating_class=a of possible values a) economy b) first class c) premium economy d) business airlines=g of possible values a) united airlines b) air canada c) american airlines d) british airways e) alaska airlines f) southwest airlines g) delta airlines h) air france departure_date=9th of this month [context] [user] i am looking for a flight. [system] when and where do you want to go? [user] i plan on leaving from paris, france this sunday. i want to go to atlanta with an economy seat. [system] there is a flight with air france that is $338. it leaves at 2:25 am and has 1 stop. [user] i prefer a different flight. [system] there is a flight with american airlines that costs $348. it takes off at 4:05 am and has 1 stop. [user] this is for 3 passengers, correct? [system] no, it is for 1 passenger. [user] i am looking for a flight. [system] what date would you like to come back? [user] i will return on the 5th.
State: [state] return_date=the 5th origin=paris, france destination=atlanta passengers=none seating_class=a airlines=c departure_date=this sunday

[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 destination=sf passengers=d of possible values a) 3 b) 2 c) 4 d) 1 departure_date=9th of this month origin=seattle airlines=b of possible values a) british airways b) delta airlines c) air france d) united airlines e) american airlines f) alaska airlines g) southwest airlines h) air canada seating_class=b of possible values a) business b) economy c) premium economy d) first class [context] [user] i am looking for a flight. [system] when and where do you want to go? [user] i plan on leaving from paris, france this sunday. i want to go to atlanta with an economy seat. [system] there is a flight with air france that is $338. it leaves at 2:25 am and has 1 stop. [user] i prefer a different flight. [system] there is a flight with american airlines that costs $348. it takes off at 4:05 am and has 1 stop. [user] this is for 3 passengers, correct? [system] no, it is for 1 passenger. [user] i am looking for a flight. [system] what date would you like to come back? [user] i will return on the 5th. [system] there is an american airlines flight that costs $367. it leaves at 4:05 am, and the returning flight leaves at 3:25 pm. [user] would this be a redeye flight?
State: [state] return_date=the 5th destination=atlanta passengers=none departure_date=this sunday origin=paris, france airlines=e seating_class=b

[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) united airlines b) american airlines c) air canada d) air france e) alaska airlines f) british airways g) delta airlines h) southwest airlines passengers=c of possible values a) 4 b) 2 c) 1 d) 3 departure_date=9th of this month seating_class=a of possible values a) economy b) business c) first class d) premium economy origin=seattle return_date=the 13th [context] [user] i am looking for a flight. [system] when and where do you want to go? [user] i plan on leaving from paris, france this sunday. i want to go to atlanta with an economy seat. [system] there is a flight with air france that is $338. it leaves at 2:25 am and has 1 stop. [user] i prefer a different flight. [system] there is a flight with american airlines that costs $348. it takes off at 4:05 am and has 1 stop. [user] this is for 3 passengers, correct? [system] no, it is for 1 passenger. [user] i am looking for a flight. [system] what date would you like to come back? [user] i will return on the 5th. [system] there is an american airlines flight that costs $367. it leaves at 4:05 am, and the returning flight leaves at 3:25 pm. [user] would this be a redeye flight? [system] it will be an overnight flight. [user] thank you, that is all i need.
State: [state] destination=atlanta airlines=b passengers=none departure_date=this sunday seating_class=a origin=paris, france return_date=the 5th