[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) united airlines b) air france c) southwest airlines d) british airways e) american airlines f) delta airlines g) air canada h) alaska airlines return_date=the 13th seating_class=a of possible values a) economy b) business c) premium economy d) first class departure_date=9th of this month destination=sf passengers=c of possible values a) 4 b) 3 c) 1 d) 2 origin=seattle [context] [user] i need a one way flight on any airline.
State: [state] airlines=dontcare return_date=none seating_class=none departure_date=none destination=none passengers=none origin=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 seating_class=d of possible values a) first class b) business c) premium economy d) economy passengers=d of possible values a) 4 b) 2 c) 3 d) 1 airlines=d of possible values a) american airlines b) air france c) british airways d) delta airlines e) southwest airlines f) alaska airlines g) united airlines h) air canada [context] [user] i need a one way flight on any airline. [system] which date do you need, and where are you departing from and arriving to? [user] i need 1 ticket for march 3rd to seattle, wa on delta airlines from san francisco.
State: [state] origin=san francisco departure_date=march 3rd return_date=none destination=seattle, wa seating_class=none passengers=d airlines=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] departure_date=9th of this month origin=seattle return_date=the 13th passengers=c of possible values a) 2 b) 4 c) 1 d) 3 seating_class=a of possible values a) economy b) premium economy c) business d) first class destination=sf airlines=f of possible values a) air france b) southwest airlines c) american airlines d) united airlines e) alaska airlines f) delta airlines g) air canada h) british airways [context] [user] i need a one way flight on any airline. [system] which date do you need, and where are you departing from and arriving to? [user] i need 1 ticket for march 3rd to seattle, wa on delta airlines from san francisco. [system] i found 1 with delta airlines at 8 am with 0 stops. it costs $130. [user] from which airport?
State: [state] departure_date=march 3rd origin=san francisco return_date=none passengers=c seating_class=none destination=seattle, wa airlines=f

[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=b of possible values a) 3 b) 1 c) 4 d) 2 departure_date=9th of this month destination=sf airlines=g of possible values a) air canada b) southwest airlines c) air france d) united airlines e) british airways f) american airlines g) delta airlines h) alaska airlines 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 on any airline. [system] which date do you need, and where are you departing from and arriving to? [user] i need 1 ticket for march 3rd to seattle, wa on delta airlines from san francisco. [system] i found 1 with delta airlines at 8 am with 0 stops. it costs $130. [user] from which airport? [system] sfo international airport. [user] is this a redeye?
State: [state] return_date=none passengers=b departure_date=march 3rd destination=seattle, wa airlines=g origin=san francisco 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=d of possible values a) alaska airlines b) united airlines c) air canada d) delta airlines e) southwest airlines f) british airways g) air france h) american airlines destination=sf return_date=the 13th passengers=a of possible values a) 1 b) 4 c) 3 d) 2 departure_date=9th of this month origin=seattle seating_class=d of possible values a) first class b) premium economy c) business d) economy [context] [user] i need a one way flight on any airline. [system] which date do you need, and where are you departing from and arriving to? [user] i need 1 ticket for march 3rd to seattle, wa on delta airlines from san francisco. [system] i found 1 with delta airlines at 8 am with 0 stops. it costs $130. [user] from which airport? [system] sfo international airport. [user] is this a redeye? [system] it is not overnight. [user] okay i need a round trip.
State: [state] airlines=d destination=seattle, wa return_date=none passengers=a departure_date=march 3rd origin=san francisco 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] destination=sf return_date=the 13th departure_date=9th of this month airlines=f of possible values a) air canada b) southwest airlines c) united airlines d) alaska airlines e) air france f) delta airlines g) american airlines h) british airways seating_class=d of possible values a) premium economy b) business c) first class d) economy passengers=b of possible values a) 2 b) 1 c) 3 d) 4 origin=seattle [context] [user] i need a one way flight on any airline. [system] which date do you need, and where are you departing from and arriving to? [user] i need 1 ticket for march 3rd to seattle, wa on delta airlines from san francisco. [system] i found 1 with delta airlines at 8 am with 0 stops. it costs $130. [user] from which airport? [system] sfo international airport. [user] is this a redeye? [system] it is not overnight. [user] okay i need a round trip. [system] which day would you return? [user] on the 5th of march.
State: [state] destination=seattle, wa return_date=5th of march departure_date=march 3rd airlines=f seating_class=none passengers=b origin=san francisco

[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 origin=seattle return_date=the 13th seating_class=a of possible values a) economy b) business c) premium economy d) first class passengers=d of possible values a) 4 b) 3 c) 2 d) 1 airlines=g of possible values a) air france b) alaska airlines c) air canada d) british airways e) united airlines f) southwest airlines g) delta airlines h) american airlines destination=sf [context] [user] i need a one way flight on any airline. [system] which date do you need, and where are you departing from and arriving to? [user] i need 1 ticket for march 3rd to seattle, wa on delta airlines from san francisco. [system] i found 1 with delta airlines at 8 am with 0 stops. it costs $130. [user] from which airport? [system] sfo international airport. [user] is this a redeye? [system] it is not overnight. [user] okay i need a round trip. [system] which day would you return? [user] on the 5th of march. [system] i have a departure flight at 8 am and a return flight at 6:10 am for $126 on delta airlines. [user] okay thank you, that's all.
State: [state] departure_date=march 3rd origin=san francisco return_date=5th of march seating_class=none passengers=d airlines=g destination=seattle, wa