[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 departure_date=9th of this month airlines=a of possible values a) delta airlines b) american airlines c) southwest airlines d) british airways e) alaska airlines f) air france g) united airlines h) air canada passengers=a of possible values a) 1 b) 4 c) 3 d) 2 seating_class=a of possible values a) economy b) premium economy c) first class d) business destination=sf [context] [user] i want 2 tickets for a one way flight.
State: [state] return_date=none origin=none departure_date=none airlines=none passengers=d seating_class=none destination=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] origin=seattle return_date=the 13th departure_date=9th of this month airlines=h of possible values a) southwest airlines b) air france c) united airlines d) american airlines e) british airways f) air canada g) alaska airlines h) delta airlines destination=sf passengers=d of possible values a) 2 b) 3 c) 4 d) 1 seating_class=d of possible values a) premium economy b) business c) first class d) economy [context] [user] i want 2 tickets for a one way flight. [system] where are you going to and when will you leave? [user] the destination is nairobi and i'll leave on march 1st.
State: [state] origin=none return_date=none departure_date=march 1st airlines=none destination=nairobi passengers=a seating_class=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] origin=seattle departure_date=9th of this month seating_class=b of possible values a) first class b) economy c) premium economy d) business passengers=b of possible values a) 2 b) 1 c) 3 d) 4 airlines=a of possible values a) delta airlines b) alaska airlines c) american airlines d) british airways e) air canada f) air france g) southwest airlines h) united airlines return_date=the 13th destination=sf [context] [user] i want 2 tickets for a one way flight. [system] where are you going to and when will you leave? [user] the destination is nairobi and i'll leave on march 1st. [system] what is your departure city? [user] flight must leave fro chi-town and the airline company must be delta airlines.
State: [state] origin=chi-town departure_date=march 1st seating_class=none passengers=a airlines=a return_date=none destination=nairobi

[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) alaska airlines b) british airways c) american airlines d) southwest airlines e) united airlines f) delta airlines g) air france h) air canada departure_date=9th of this month passengers=d of possible values a) 3 b) 2 c) 4 d) 1 origin=seattle destination=sf seating_class=b of possible values a) premium economy b) economy c) first class d) business [context] [user] i want 2 tickets for a one way flight. [system] where are you going to and when will you leave? [user] the destination is nairobi and i'll leave on march 1st. [system] what is your departure city? [user] flight must leave fro chi-town and the airline company must be delta airlines. [system] you want to book a flight with delta airlines. it leaves at 9:15 am and it does 1 stops. the ticket is $439. [user] when will i reach my destination?
State: [state] return_date=none airlines=f departure_date=march 1st passengers=b origin=chi-town destination=nairobi seating_class=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 passengers=a of possible values a) 1 b) 2 c) 3 d) 4 destination=sf airlines=c of possible values a) air canada b) air france c) delta airlines d) southwest airlines e) alaska airlines f) united airlines g) british airways h) american airlines departure_date=9th of this month origin=seattle seating_class=a of possible values a) economy b) business c) first class d) premium economy [context] [user] i want 2 tickets for a one way flight. [system] where are you going to and when will you leave? [user] the destination is nairobi and i'll leave on march 1st. [system] what is your departure city? [user] flight must leave fro chi-town and the airline company must be delta airlines. [system] you want to book a flight with delta airlines. it leaves at 9:15 am and it does 1 stops. the ticket is $439. [user] when will i reach my destination? [system] the flight lands at 5:57 pm. [user] is it a first class ticket?
State: [state] return_date=none passengers=b destination=nairobi airlines=c departure_date=march 1st origin=chi-town seating_class=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=c of possible values a) 3 b) 2 c) 1 d) 4 airlines=d of possible values a) united airlines b) air canada c) american airlines d) delta airlines e) alaska airlines f) southwest airlines g) british airways h) air france origin=seattle seating_class=c of possible values a) business b) premium economy c) economy d) first class destination=sf departure_date=9th of this month return_date=the 13th [context] [user] i want 2 tickets for a one way flight. [system] where are you going to and when will you leave? [user] the destination is nairobi and i'll leave on march 1st. [system] what is your departure city? [user] flight must leave fro chi-town and the airline company must be delta airlines. [system] you want to book a flight with delta airlines. it leaves at 9:15 am and it does 1 stops. the ticket is $439. [user] when will i reach my destination? [system] the flight lands at 5:57 pm. [user] is it a first class ticket? [system] no, it's economy. [user] okay, great, i don't need anything else from you.
State: [state] passengers=b airlines=d origin=chi-town seating_class=none destination=nairobi departure_date=march 1st return_date=none