[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=c of possible values a) first class b) premium economy c) economy d) business return_date=the 13th departure_date=9th of this month destination=sf origin=seattle airlines=f of possible values a) american airlines b) air canada c) air france d) british airways e) alaska airlines f) delta airlines g) united airlines h) southwest airlines passengers=a of possible values a) 1 b) 2 c) 4 d) 3 [context] [user] i want to look for flights from sf, one way only.
State: [state] seating_class=none return_date=none departure_date=none destination=none origin=sf airlines=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=b of possible values a) 3 b) 1 c) 2 d) 4 airlines=h of possible values a) air france b) alaska airlines c) british airways d) southwest airlines e) air canada f) american airlines g) united airlines h) delta airlines departure_date=9th of this month return_date=the 13th destination=sf seating_class=b of possible values a) premium economy b) economy c) first class d) business origin=seattle [context] [user] i want to look for flights from sf, one way only. [system] what destinations and dates are you planning to travel? [user] i want to go on march 6th, to go to san diego.
State: [state] passengers=none airlines=none departure_date=march 6th return_date=none destination=san diego seating_class=none origin=sf

[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 origin=seattle airlines=d of possible values a) air france b) air canada c) alaska airlines d) delta airlines e) southwest airlines f) british airways g) united airlines h) american airlines passengers=a of possible values a) 1 b) 4 c) 2 d) 3 departure_date=9th of this month return_date=the 13th seating_class=b of possible values a) premium economy b) economy c) first class d) business [context] [user] i want to look for flights from sf, one way only. [system] what destinations and dates are you planning to travel? [user] i want to go on march 6th, to go to san diego. [system] do you have a preference for alaska airlines? there is a flight at 6:10 am, with 0 stops, at the price of $116. [user] yes i am looking for a flight like that. are there any economy class tickets remaining?
State: [state] destination=san diego origin=sf airlines=c passengers=none departure_date=march 6th return_date=none 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] airlines=c of possible values a) british airways b) alaska airlines c) delta airlines d) american airlines e) southwest airlines f) united airlines g) air france h) air canada 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 origin=seattle passengers=a of possible values a) 1 b) 4 c) 3 d) 2 [context] [user] i want to look for flights from sf, one way only. [system] what destinations and dates are you planning to travel? [user] i want to go on march 6th, to go to san diego. [system] do you have a preference for alaska airlines? there is a flight at 6:10 am, with 0 stops, at the price of $116. [user] yes i am looking for a flight like that. are there any economy class tickets remaining? [system] is there a return flight you are looking for? [user] i would like to book four tickets that return on march 8th.
State: [state] airlines=b seating_class=c destination=san diego departure_date=march 6th return_date=march 8th origin=sf passengers=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] origin=seattle return_date=the 13th departure_date=9th of this month seating_class=c of possible values a) business b) first class c) economy d) premium economy airlines=h of possible values a) united airlines b) british airways c) alaska airlines d) american airlines e) southwest airlines f) air france g) air canada h) delta airlines passengers=c of possible values a) 2 b) 4 c) 1 d) 3 destination=sf [context] [user] i want to look for flights from sf, one way only. [system] what destinations and dates are you planning to travel? [user] i want to go on march 6th, to go to san diego. [system] do you have a preference for alaska airlines? there is a flight at 6:10 am, with 0 stops, at the price of $116. [user] yes i am looking for a flight like that. are there any economy class tickets remaining? [system] is there a return flight you are looking for? [user] i would like to book four tickets that return on march 8th. [system] there are two flights from alaska airlines. the first one takes off at 6:10 am and the second one is at 11:10 am. the tickets cost a total of $123. [user] what time is the returning flight scheduled to arrive? is there a red eye option?
State: [state] origin=sf return_date=march 8th departure_date=march 6th seating_class=c airlines=c passengers=b destination=san diego

[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 passengers=a of possible values a) 1 b) 3 c) 4 d) 2 destination=sf origin=seattle airlines=d of possible values a) british airways b) american airlines c) united airlines d) delta airlines e) alaska airlines f) southwest airlines g) air canada h) air france seating_class=c of possible values a) first class b) premium economy c) economy d) business return_date=the 13th [context] [user] i want to look for flights from sf, one way only. [system] what destinations and dates are you planning to travel? [user] i want to go on march 6th, to go to san diego. [system] do you have a preference for alaska airlines? there is a flight at 6:10 am, with 0 stops, at the price of $116. [user] yes i am looking for a flight like that. are there any economy class tickets remaining? [system] is there a return flight you are looking for? [user] i would like to book four tickets that return on march 8th. [system] there are two flights from alaska airlines. the first one takes off at 6:10 am and the second one is at 11:10 am. the tickets cost a total of $123. [user] what time is the returning flight scheduled to arrive? is there a red eye option? [system] the returning flight is scheduled for 12:50 pm, it is not a red eye. [user] i see thanks, that is all.
State: [state] departure_date=march 6th passengers=c destination=san diego origin=sf airlines=e seating_class=c return_date=march 8th