[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 return_date=the 13th destination=sf airlines=c of possible values a) united airlines b) british airways c) delta airlines d) american airlines e) air canada f) southwest airlines g) alaska airlines h) air france seating_class=a of possible values a) economy b) business c) first class d) premium economy passengers=c of possible values a) 3 b) 4 c) 1 d) 2 origin=seattle [context] [user] i would like to purchase 1 flight ticket.
State: [state] departure_date=none return_date=none destination=none airlines=none seating_class=none passengers=c 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] airlines=b of possible values a) air france b) delta airlines c) united airlines d) air canada e) british airways f) southwest airlines g) alaska airlines h) american airlines passengers=d of possible values a) 4 b) 3 c) 2 d) 1 destination=sf return_date=the 13th origin=seattle departure_date=9th of this month seating_class=a of possible values a) economy b) premium economy c) first class d) business [context] [user] i would like to purchase 1 flight ticket. [system] what date would you like to leave and when do you plan to return. where will you be departing from? [user] i'm looking for flights from sfo. i want to leave on the 1st, and returning march 11th.
State: [state] airlines=none passengers=d destination=none return_date=march 11th origin=sfo 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] origin=seattle departure_date=9th of this month airlines=h of possible values a) american airlines b) british airways c) air france d) air canada e) united airlines f) alaska airlines g) southwest airlines h) delta airlines return_date=the 13th destination=sf seating_class=a of possible values a) economy b) first class c) premium economy d) business passengers=c of possible values a) 2 b) 4 c) 1 d) 3 [context] [user] i would like to purchase 1 flight ticket. [system] what date would you like to leave and when do you plan to return. where will you be departing from? [user] i'm looking for flights from sfo. i want to leave on the 1st, and returning march 11th. [system] where will you be traveling to? [user] i am flying to sd and would like to fly economy with alaska airlines.
State: [state] origin=sfo departure_date=the 1st airlines=f return_date=march 11th destination=sd seating_class=a passengers=c

[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) alaska airlines d) british airways e) air france f) southwest airlines g) american airlines h) air canada passengers=b of possible values a) 2 b) 1 c) 3 d) 4 destination=sf origin=seattle seating_class=b of possible values a) business b) economy c) premium economy d) first class return_date=the 13th [context] [user] i would like to purchase 1 flight ticket. [system] what date would you like to leave and when do you plan to return. where will you be departing from? [user] i'm looking for flights from sfo. i want to leave on the 1st, and returning march 11th. [system] where will you be traveling to? [user] i am flying to sd and would like to fly economy with alaska airlines. [system] i found 1 flight with alaska airlines leaving at 6:10 am and return flight leaves at 11:10 am. it will cost you $111. [user] okay, i would like to find a one way flight.
State: [state] departure_date=the 1st airlines=c passengers=b destination=sd origin=sfo seating_class=b return_date=march 11th

[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 airlines=d of possible values a) united airlines b) alaska airlines c) american airlines d) delta airlines e) air france f) british airways g) air canada h) southwest airlines destination=sf departure_date=9th of this month passengers=d of possible values a) 2 b) 3 c) 4 d) 1 seating_class=d of possible values a) first class b) business c) premium economy d) economy return_date=the 13th [context] [user] i would like to purchase 1 flight ticket. [system] what date would you like to leave and when do you plan to return. where will you be departing from? [user] i'm looking for flights from sfo. i want to leave on the 1st, and returning march 11th. [system] where will you be traveling to? [user] i am flying to sd and would like to fly economy with alaska airlines. [system] i found 1 flight with alaska airlines leaving at 6:10 am and return flight leaves at 11:10 am. it will cost you $111. [user] okay, i would like to find a one way flight. [system] i found 1 flight with 0 stops with alaska airlines taking off at 6:10 am and the ticket will cost you $91. [user] where does the flight land?
State: [state] origin=sfo airlines=b destination=sd departure_date=the 1st passengers=d seating_class=d return_date=march 11th

[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 departure_date=9th of this month airlines=e of possible values a) united airlines b) american airlines c) air canada d) southwest airlines e) delta airlines f) alaska airlines g) british airways h) air france destination=sf origin=seattle seating_class=b of possible values a) business b) economy c) premium economy d) first class passengers=d of possible values a) 2 b) 4 c) 3 d) 1 [context] [user] i would like to purchase 1 flight ticket. [system] what date would you like to leave and when do you plan to return. where will you be departing from? [user] i'm looking for flights from sfo. i want to leave on the 1st, and returning march 11th. [system] where will you be traveling to? [user] i am flying to sd and would like to fly economy with alaska airlines. [system] i found 1 flight with alaska airlines leaving at 6:10 am and return flight leaves at 11:10 am. it will cost you $111. [user] okay, i would like to find a one way flight. [system] i found 1 flight with 0 stops with alaska airlines taking off at 6:10 am and the ticket will cost you $91. [user] where does the flight land? [system] the flight will land at san international airport. [user] what airport will the flight leave form?
State: [state] return_date=march 11th departure_date=the 1st airlines=f destination=sd origin=sfo seating_class=b passengers=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] airlines=h of possible values a) air canada b) united airlines c) southwest airlines d) alaska airlines e) american airlines f) air france g) british airways h) delta airlines departure_date=9th of this month passengers=b of possible values a) 4 b) 1 c) 2 d) 3 origin=seattle seating_class=d of possible values a) premium economy b) first class c) business d) economy destination=sf return_date=the 13th [context] [user] i would like to purchase 1 flight ticket. [system] what date would you like to leave and when do you plan to return. where will you be departing from? [user] i'm looking for flights from sfo. i want to leave on the 1st, and returning march 11th. [system] where will you be traveling to? [user] i am flying to sd and would like to fly economy with alaska airlines. [system] i found 1 flight with alaska airlines leaving at 6:10 am and return flight leaves at 11:10 am. it will cost you $111. [user] okay, i would like to find a one way flight. [system] i found 1 flight with 0 stops with alaska airlines taking off at 6:10 am and the ticket will cost you $91. [user] where does the flight land? [system] the flight will land at san international airport. [user] what airport will the flight leave form? [system] it will depart from sfo international airport. [user] ok.
State: [state] airlines=d departure_date=the 1st passengers=b origin=sfo seating_class=d destination=sd return_date=march 11th

[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) 2 b) 4 c) 1 d) 3 seating_class=c of possible values a) premium economy b) business c) economy d) first class destination=sf airlines=d of possible values a) united airlines b) alaska airlines c) british airways d) delta airlines e) air france f) air canada g) american airlines h) southwest airlines departure_date=9th of this month origin=seattle return_date=the 13th [context] [user] i would like to purchase 1 flight ticket. [system] what date would you like to leave and when do you plan to return. where will you be departing from? [user] i'm looking for flights from sfo. i want to leave on the 1st, and returning march 11th. [system] where will you be traveling to? [user] i am flying to sd and would like to fly economy with alaska airlines. [system] i found 1 flight with alaska airlines leaving at 6:10 am and return flight leaves at 11:10 am. it will cost you $111. [user] okay, i would like to find a one way flight. [system] i found 1 flight with 0 stops with alaska airlines taking off at 6:10 am and the ticket will cost you $91. [user] where does the flight land? [system] the flight will land at san international airport. [user] what airport will the flight leave form? [system] it will depart from sfo international airport. [user] ok. [system] anything else? [user] nope, thanks!
State: [state] passengers=c seating_class=c destination=sd airlines=b departure_date=the 1st origin=sfo return_date=march 11th