[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 seating_class=a of possible values a) economy b) first class c) premium economy d) business origin=seattle passengers=b of possible values a) 2 b) 1 c) 3 d) 4 return_date=the 13th airlines=e of possible values a) united airlines b) alaska airlines c) air canada d) american airlines e) delta airlines f) air france g) southwest airlines h) british airways destination=sf [context] [user] i am looking for a flight. look for flights from delhi.
State: [state] departure_date=none seating_class=none origin=delhi passengers=none return_date=none airlines=none destination=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] return_date=the 13th airlines=a of possible values a) delta airlines b) british airways c) alaska airlines d) air france e) air canada f) american airlines g) southwest airlines h) united airlines departure_date=9th of this month destination=sf seating_class=c of possible values a) first class b) business c) economy d) premium economy origin=seattle passengers=d of possible values a) 3 b) 4 c) 2 d) 1 [context] [user] i am looking for a flight. look for flights from delhi. [system] where are you headed? what day do you want to come back? [user] i am returning on 11th of march. i am flying to lax and want to start my travel on the 8th.
State: [state] return_date=11th of march airlines=none departure_date=the 8th destination=lax seating_class=none origin=delhi 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] origin=seattle seating_class=c of possible values a) premium economy b) first class c) economy d) business airlines=b of possible values a) alaska airlines b) delta airlines c) air canada d) united airlines e) air france f) british airways g) american airlines h) southwest airlines passengers=c of possible values a) 2 b) 3 c) 1 d) 4 destination=sf return_date=the 13th departure_date=9th of this month [context] [user] i am looking for a flight. look for flights from delhi. [system] where are you headed? what day do you want to come back? [user] i am returning on 11th of march. i am flying to lax and want to start my travel on the 8th. [system] i found 1 flight for you. would you like to fly with american airlines on a flight that takes off at 7 pm, costs $368 and with a return flight that takes off at 6:30 am? [user] how many stops are on that flight?
State: [state] origin=delhi seating_class=none airlines=none passengers=none destination=lax return_date=11th of march departure_date=the 8th

[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 seating_class=b of possible values a) premium economy b) economy c) business d) first class airlines=d of possible values a) air france b) alaska airlines c) british airways d) delta airlines e) united airlines f) air canada g) american airlines h) southwest airlines passengers=b of possible values a) 4 b) 1 c) 2 d) 3 departure_date=9th of this month destination=sf [context] [user] i am looking for a flight. look for flights from delhi. [system] where are you headed? what day do you want to come back? [user] i am returning on 11th of march. i am flying to lax and want to start my travel on the 8th. [system] i found 1 flight for you. would you like to fly with american airlines on a flight that takes off at 7 pm, costs $368 and with a return flight that takes off at 6:30 am? [user] how many stops are on that flight? [system] the flight only has 1. [user] okay. i want to find a one way flight instead. any ticket class is fine.
State: [state] return_date=11th of march origin=delhi seating_class=dontcare airlines=g passengers=none departure_date=the 8th destination=lax

[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) 4 b) 1 c) 3 d) 2 seating_class=a of possible values a) economy b) premium economy c) business d) first class origin=seattle departure_date=9th of this month airlines=e of possible values a) southwest airlines b) alaska airlines c) air france d) united airlines e) delta airlines f) british airways g) american airlines h) air canada destination=sf return_date=the 13th [context] [user] i am looking for a flight. look for flights from delhi. [system] where are you headed? what day do you want to come back? [user] i am returning on 11th of march. i am flying to lax and want to start my travel on the 8th. [system] i found 1 flight for you. would you like to fly with american airlines on a flight that takes off at 7 pm, costs $368 and with a return flight that takes off at 6:30 am? [user] how many stops are on that flight? [system] the flight only has 1. [user] okay. i want to find a one way flight instead. any ticket class is fine. [system] i found 1 flight for you. would you like to fly with american airlines on a flight that leaves at 7 pm with 0 stops and a price of $297? [user] okay.
State: [state] passengers=none seating_class=dontcare origin=delhi departure_date=the 8th airlines=g destination=lax return_date=11th of march

[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 passengers=c of possible values a) 3 b) 2 c) 1 d) 4 airlines=g of possible values a) air canada b) air france c) alaska airlines d) southwest airlines e) united airlines f) american airlines g) delta airlines h) british airways return_date=the 13th destination=sf seating_class=a of possible values a) economy b) first class c) business d) premium economy [context] [user] i am looking for a flight. look for flights from delhi. [system] where are you headed? what day do you want to come back? [user] i am returning on 11th of march. i am flying to lax and want to start my travel on the 8th. [system] i found 1 flight for you. would you like to fly with american airlines on a flight that takes off at 7 pm, costs $368 and with a return flight that takes off at 6:30 am? [user] how many stops are on that flight? [system] the flight only has 1. [user] okay. i want to find a one way flight instead. any ticket class is fine. [system] i found 1 flight for you. would you like to fly with american airlines on a flight that leaves at 7 pm with 0 stops and a price of $297? [user] okay. [system] can i help you with something else? [user] no, that is all. thank you.
State: [state] origin=delhi departure_date=the 8th passengers=none airlines=f return_date=11th of march destination=lax seating_class=dontcare