[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) 2 b) 1 c) 3 d) 4 airlines=d of possible values a) southwest airlines b) british airways c) alaska airlines d) delta airlines e) air france f) american airlines g) air canada h) united airlines departure_date=9th of this month origin=seattle destination=sf seating_class=a of possible values a) economy b) business c) premium economy d) first class [context] [user] i am looking for a flight. i need a flight that returns on march 13th.
State: [state] return_date=march 13th passengers=none airlines=none departure_date=none origin=none destination=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] seating_class=a of possible values a) economy b) business c) first class d) premium economy origin=seattle airlines=e of possible values a) alaska airlines b) british airways c) air canada d) united airlines e) delta airlines f) american airlines g) southwest airlines h) air france return_date=the 13th departure_date=9th of this month destination=sf passengers=a of possible values a) 1 b) 2 c) 4 d) 3 [context] [user] i am looking for a flight. i need a flight that returns on march 13th. [system] i can do that. please provide the date and location of you travel. [user] i need a flight to san francisco. i would like a flight for thursday next week.
State: [state] seating_class=none origin=none airlines=none return_date=march 13th departure_date=thursday next week destination=san francisco 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] destination=sf departure_date=9th of this month return_date=the 13th airlines=d of possible values a) american airlines b) british airways c) alaska airlines d) delta airlines e) air canada f) united airlines g) air france h) southwest airlines passengers=b of possible values a) 4 b) 1 c) 3 d) 2 origin=seattle seating_class=d of possible values a) premium economy b) first class c) business d) economy [context] [user] i am looking for a flight. i need a flight that returns on march 13th. [system] i can do that. please provide the date and location of you travel. [user] i need a flight to san francisco. i would like a flight for thursday next week. [system] okay, which airport would you like to fly out of? [user] i want to fly out of seattle.
State: [state] destination=san francisco departure_date=thursday next week return_date=march 13th airlines=none passengers=none origin=seattle 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=d of possible values a) 4 b) 3 c) 2 d) 1 destination=sf seating_class=b of possible values a) premium economy b) economy c) business d) first class airlines=e of possible values a) air canada b) united airlines c) british airways d) air france e) delta airlines f) american airlines g) alaska airlines h) southwest airlines departure_date=9th of this month origin=seattle return_date=the 13th [context] [user] i am looking for a flight. i need a flight that returns on march 13th. [system] i can do that. please provide the date and location of you travel. [user] i need a flight to san francisco. i would like a flight for thursday next week. [system] okay, which airport would you like to fly out of? [user] i want to fly out of seattle. [system] i found 4 flights departing seattle on the date requested. are you okay with flying alaska airlines? they have a flight at 12 pm. your returning flight would be at 2:55 pm. the price is $137. [user] are there any other flights? i would like 1 tickets on united airlines.
State: [state] passengers=d destination=san francisco seating_class=none airlines=b departure_date=thursday next week origin=seattle return_date=march 13th

[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 origin=seattle return_date=the 13th airlines=d of possible values a) air canada b) american airlines c) alaska airlines d) delta airlines e) air france f) united airlines g) british airways h) southwest airlines seating_class=b of possible values a) premium economy b) economy c) business d) first class destination=sf departure_date=9th of this month [context] [user] i am looking for a flight. i need a flight that returns on march 13th. [system] i can do that. please provide the date and location of you travel. [user] i need a flight to san francisco. i would like a flight for thursday next week. [system] okay, which airport would you like to fly out of? [user] i want to fly out of seattle. [system] i found 4 flights departing seattle on the date requested. are you okay with flying alaska airlines? they have a flight at 12 pm. your returning flight would be at 2:55 pm. the price is $137. [user] are there any other flights? i would like 1 tickets on united airlines. [system] i found 1 flight for you on united airlines. it takes off at 8:30 pm. your return flight would be at 3:05 pm. the cost is $136. [user] what airport does the flight land at?
State: [state] passengers=d origin=seattle return_date=march 13th airlines=f seating_class=none destination=san francisco departure_date=thursday next week

[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 origin=seattle seating_class=c of possible values a) first class b) business c) economy d) premium economy departure_date=9th of this month passengers=d of possible values a) 4 b) 3 c) 2 d) 1 airlines=c of possible values a) southwest airlines b) alaska airlines c) delta airlines d) american airlines e) british airways f) air france g) united airlines h) air canada [context] [user] i am looking for a flight. i need a flight that returns on march 13th. [system] i can do that. please provide the date and location of you travel. [user] i need a flight to san francisco. i would like a flight for thursday next week. [system] okay, which airport would you like to fly out of? [user] i want to fly out of seattle. [system] i found 4 flights departing seattle on the date requested. are you okay with flying alaska airlines? they have a flight at 12 pm. your returning flight would be at 2:55 pm. the price is $137. [user] are there any other flights? i would like 1 tickets on united airlines. [system] i found 1 flight for you on united airlines. it takes off at 8:30 pm. your return flight would be at 3:05 pm. the cost is $136. [user] what airport does the flight land at? [system] your flight will land at sfo international airport. [user] okay. i want a one way flight.
State: [state] destination=san francisco return_date=march 13th origin=seattle seating_class=none departure_date=thursday next week passengers=d airlines=g

[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) air canada b) british airways c) delta airlines d) air france e) alaska airlines f) southwest airlines g) united airlines h) american airlines seating_class=a of possible values a) economy b) premium economy c) business d) first class return_date=the 13th destination=sf passengers=b of possible values a) 4 b) 1 c) 2 d) 3 departure_date=9th of this month origin=seattle [context] [user] i am looking for a flight. i need a flight that returns on march 13th. [system] i can do that. please provide the date and location of you travel. [user] i need a flight to san francisco. i would like a flight for thursday next week. [system] okay, which airport would you like to fly out of? [user] i want to fly out of seattle. [system] i found 4 flights departing seattle on the date requested. are you okay with flying alaska airlines? they have a flight at 12 pm. your returning flight would be at 2:55 pm. the price is $137. [user] are there any other flights? i would like 1 tickets on united airlines. [system] i found 1 flight for you on united airlines. it takes off at 8:30 pm. your return flight would be at 3:05 pm. the cost is $136. [user] what airport does the flight land at? [system] your flight will land at sfo international airport. [user] okay. i want a one way flight. [system] do you still want to fly united airlines? there is a flight at 8:30 pm. this flight cost $123 and has 0 stops, as you requested. [user] which airport does it leave from?
State: [state] airlines=g seating_class=none return_date=march 13th destination=san francisco passengers=b departure_date=thursday next week origin=seattle

[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 passengers=b of possible values a) 4 b) 1 c) 2 d) 3 return_date=the 13th destination=sf departure_date=9th of this month seating_class=b of possible values a) business b) economy c) first class d) premium economy airlines=f of possible values a) united airlines b) american airlines c) alaska airlines d) air canada e) air france f) delta airlines g) british airways h) southwest airlines [context] [user] i am looking for a flight. i need a flight that returns on march 13th. [system] i can do that. please provide the date and location of you travel. [user] i need a flight to san francisco. i would like a flight for thursday next week. [system] okay, which airport would you like to fly out of? [user] i want to fly out of seattle. [system] i found 4 flights departing seattle on the date requested. are you okay with flying alaska airlines? they have a flight at 12 pm. your returning flight would be at 2:55 pm. the price is $137. [user] are there any other flights? i would like 1 tickets on united airlines. [system] i found 1 flight for you on united airlines. it takes off at 8:30 pm. your return flight would be at 3:05 pm. the cost is $136. [user] what airport does the flight land at? [system] your flight will land at sfo international airport. [user] okay. i want a one way flight. [system] do you still want to fly united airlines? there is a flight at 8:30 pm. this flight cost $123 and has 0 stops, as you requested. [user] which airport does it leave from? [system] the flight departs from seattle-tacoma international airport. [user] okay.
State: [state] origin=seattle passengers=b return_date=march 13th destination=san francisco departure_date=thursday next week seating_class=none airlines=a

[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 passengers=a of possible values a) 1 b) 4 c) 2 d) 3 destination=sf airlines=h of possible values a) air canada b) british airways c) united airlines d) american airlines e) air france f) southwest airlines g) alaska airlines h) delta airlines departure_date=9th of this month return_date=the 13th seating_class=a of possible values a) economy b) premium economy c) first class d) business [context] [user] i am looking for a flight. i need a flight that returns on march 13th. [system] i can do that. please provide the date and location of you travel. [user] i need a flight to san francisco. i would like a flight for thursday next week. [system] okay, which airport would you like to fly out of? [user] i want to fly out of seattle. [system] i found 4 flights departing seattle on the date requested. are you okay with flying alaska airlines? they have a flight at 12 pm. your returning flight would be at 2:55 pm. the price is $137. [user] are there any other flights? i would like 1 tickets on united airlines. [system] i found 1 flight for you on united airlines. it takes off at 8:30 pm. your return flight would be at 3:05 pm. the cost is $136. [user] what airport does the flight land at? [system] your flight will land at sfo international airport. [user] okay. i want a one way flight. [system] do you still want to fly united airlines? there is a flight at 8:30 pm. this flight cost $123 and has 0 stops, as you requested. [user] which airport does it leave from? [system] the flight departs from seattle-tacoma international airport. [user] okay. [system] is there anything else i can help you with? [user] no, than you.
State: [state] origin=seattle passengers=a destination=san francisco airlines=c departure_date=thursday next week return_date=march 13th seating_class=none