[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 return_date=the 13th departure_date=9th of this month origin=seattle seating_class=c of possible values a) business b) premium economy c) economy d) first class airlines=e of possible values a) air france b) alaska airlines c) air canada d) american airlines e) delta airlines f) united airlines g) british airways h) southwest airlines destination=sf [context] [user] i would like a one way flight on the 1st to atl.
State: [state] passengers=none return_date=none departure_date=the 1st origin=none seating_class=none airlines=none destination=atl

[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 passengers=c of possible values a) 4 b) 2 c) 1 d) 3 airlines=g of possible values a) air canada b) air france c) alaska airlines d) southwest airlines e) british airways f) american airlines g) delta airlines h) united airlines destination=sf departure_date=9th of this month seating_class=a of possible values a) economy b) business c) premium economy d) first class [context] [user] i would like a one way flight on the 1st to atl. [system] which city would you like to leave from? [user] chi-town.
State: [state] return_date=none origin=chi-town passengers=none airlines=none destination=atl departure_date=the 1st 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] seating_class=a of possible values a) economy b) business c) first class d) premium economy departure_date=9th of this month airlines=h of possible values a) united airlines b) air france c) american airlines d) southwest airlines e) alaska airlines f) air canada g) british airways h) delta airlines return_date=the 13th origin=seattle passengers=b of possible values a) 2 b) 1 c) 3 d) 4 destination=sf [context] [user] i would like a one way flight on the 1st to atl. [system] which city would you like to leave from? [user] chi-town. [system] there is an american airlines flight that takes off at 7:50 am with 0 stops. the ticket is $125. [user] which airport does it leave from?
State: [state] seating_class=none departure_date=the 1st airlines=none return_date=none origin=chi-town passengers=none destination=atl

[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=a of possible values a) economy b) first class c) premium economy d) business origin=seattle passengers=d of possible values a) 2 b) 4 c) 3 d) 1 return_date=the 13th airlines=f of possible values a) united airlines b) british airways c) american airlines d) alaska airlines e) air france f) delta airlines g) air canada h) southwest airlines [context] [user] i would like a one way flight on the 1st to atl. [system] which city would you like to leave from? [user] chi-town. [system] there is an american airlines flight that takes off at 7:50 am with 0 stops. the ticket is $125. [user] which airport does it leave from? [system] o'hare international airport. [user] how about something else?
State: [state] departure_date=the 1st destination=atl seating_class=none origin=chi-town passengers=none 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] passengers=d of possible values a) 4 b) 3 c) 2 d) 1 destination=sf departure_date=9th of this month origin=seattle return_date=the 13th seating_class=d of possible values a) premium economy b) business c) first class d) economy airlines=g of possible values a) air france b) air canada c) british airways d) southwest airlines e) american airlines f) alaska airlines g) delta airlines h) united airlines [context] [user] i would like a one way flight on the 1st to atl. [system] which city would you like to leave from? [user] chi-town. [system] there is an american airlines flight that takes off at 7:50 am with 0 stops. the ticket is $125. [user] which airport does it leave from? [system] o'hare international airport. [user] how about something else? [system] delta airlines has a flight at 11:55 am with 0 stops. that ticket costs $121. [user] it is economy or business class?
State: [state] passengers=none destination=atl departure_date=the 1st origin=chi-town return_date=none seating_class=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] origin=seattle departure_date=9th of this month return_date=the 13th destination=sf airlines=a of possible values a) delta airlines b) southwest airlines c) air france d) united airlines e) air canada f) american airlines g) british airways h) alaska airlines passengers=c of possible values a) 4 b) 3 c) 1 d) 2 seating_class=b of possible values a) premium economy b) economy c) first class d) business [context] [user] i would like a one way flight on the 1st to atl. [system] which city would you like to leave from? [user] chi-town. [system] there is an american airlines flight that takes off at 7:50 am with 0 stops. the ticket is $125. [user] which airport does it leave from? [system] o'hare international airport. [user] how about something else? [system] delta airlines has a flight at 11:55 am with 0 stops. that ticket costs $121. [user] it is economy or business class? [system] it's an economy seat. [user] i'm looking for a flight.
State: [state] origin=chi-town departure_date=the 1st return_date=none destination=atl airlines=a passengers=none 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 destination=sf passengers=d of possible values a) 2 b) 3 c) 4 d) 1 departure_date=9th of this month airlines=d of possible values a) southwest airlines b) air canada c) alaska airlines d) delta airlines e) british airways f) air france g) american airlines h) united airlines return_date=the 13th seating_class=c of possible values a) first class b) premium economy c) economy d) business [context] [user] i would like a one way flight on the 1st to atl. [system] which city would you like to leave from? [user] chi-town. [system] there is an american airlines flight that takes off at 7:50 am with 0 stops. the ticket is $125. [user] which airport does it leave from? [system] o'hare international airport. [user] how about something else? [system] delta airlines has a flight at 11:55 am with 0 stops. that ticket costs $121. [user] it is economy or business class? [system] it's an economy seat. [user] i'm looking for a flight. [system] when would you like the return flight? [user] it would like to return the 3rd of this month.
State: [state] origin=chi-town destination=atl passengers=none departure_date=the 1st airlines=d return_date=3rd of this month 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] airlines=b of possible values a) southwest airlines b) delta airlines c) alaska airlines d) air france e) united airlines f) american airlines g) british airways h) air canada seating_class=c of possible values a) first class b) premium economy c) economy d) business destination=sf departure_date=9th of this month return_date=the 13th passengers=c of possible values a) 3 b) 4 c) 1 d) 2 origin=seattle [context] [user] i would like a one way flight on the 1st to atl. [system] which city would you like to leave from? [user] chi-town. [system] there is an american airlines flight that takes off at 7:50 am with 0 stops. the ticket is $125. [user] which airport does it leave from? [system] o'hare international airport. [user] how about something else? [system] delta airlines has a flight at 11:55 am with 0 stops. that ticket costs $121. [user] it is economy or business class? [system] it's an economy seat. [user] i'm looking for a flight. [system] when would you like the return flight? [user] it would like to return the 3rd of this month. [system] i've found 1 delta airlines flight at 11:55 am and returning at 5:45 pm. that ticket is $174. [user] ok.
State: [state] airlines=b seating_class=none destination=atl departure_date=the 1st return_date=3rd of this month passengers=none origin=chi-town

[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) 4 c) 2 d) 1 departure_date=9th of this month return_date=the 13th airlines=h of possible values a) alaska airlines b) air canada c) british airways d) air france e) southwest airlines f) american airlines g) united airlines h) delta airlines origin=seattle seating_class=b of possible values a) premium economy b) economy c) first class d) business destination=sf [context] [user] i would like a one way flight on the 1st to atl. [system] which city would you like to leave from? [user] chi-town. [system] there is an american airlines flight that takes off at 7:50 am with 0 stops. the ticket is $125. [user] which airport does it leave from? [system] o'hare international airport. [user] how about something else? [system] delta airlines has a flight at 11:55 am with 0 stops. that ticket costs $121. [user] it is economy or business class? [system] it's an economy seat. [user] i'm looking for a flight. [system] when would you like the return flight? [user] it would like to return the 3rd of this month. [system] i've found 1 delta airlines flight at 11:55 am and returning at 5:45 pm. that ticket is $174. [user] ok. [system] can i help you with anything else? [user] no and thank you for your help.
State: [state] passengers=none departure_date=the 1st return_date=3rd of this month airlines=h origin=chi-town seating_class=none destination=atl