[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) air canada b) united airlines c) american airlines d) southwest airlines e) alaska airlines f) delta airlines g) air france h) british airways origin=seattle passengers=d of possible values a) 2 b) 4 c) 3 d) 1 departure_date=9th of this month return_date=the 13th seating_class=c of possible values a) first class b) business c) economy d) premium economy destination=sf [context] [user] i am traveling to visit my mother soon. can you find me a flight?
State: [state] airlines=none origin=none passengers=none departure_date=none return_date=none seating_class=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] airlines=g of possible values a) southwest airlines b) united airlines c) air france d) british airways e) american airlines f) alaska airlines g) delta airlines h) air canada departure_date=9th of this month return_date=the 13th passengers=d of possible values a) 3 b) 2 c) 4 d) 1 seating_class=a of possible values a) economy b) premium economy c) first class d) business destination=sf origin=seattle [context] [user] i am traveling to visit my mother soon. can you find me a flight? [system] what is your expecting departure date? [user] i want to fly out on the 2nd of march.
State: [state] airlines=none departure_date=2nd of march return_date=none passengers=none seating_class=none destination=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] departure_date=9th of this month seating_class=d of possible values a) business b) first class c) premium economy d) economy return_date=the 13th origin=seattle airlines=h of possible values a) alaska airlines b) united airlines c) american airlines d) air canada e) british airways f) air france g) southwest airlines h) delta airlines destination=sf passengers=a of possible values a) 1 b) 3 c) 2 d) 4 [context] [user] i am traveling to visit my mother soon. can you find me a flight? [system] what is your expecting departure date? [user] i want to fly out on the 2nd of march. [system] what city are you planning on landing in? and where and when would you like your return flight to be? [user] i am flying into philly and then returning from new york city on march 9th.
State: [state] departure_date=2nd of march seating_class=none return_date=march 9th origin=new york city airlines=none destination=philly 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 airlines=e of possible values a) air canada b) southwest airlines c) alaska airlines d) air france e) delta airlines f) american airlines g) british airways h) united airlines seating_class=c of possible values a) business b) premium economy c) economy d) first class return_date=the 13th departure_date=9th of this month destination=sf passengers=a of possible values a) 1 b) 4 c) 3 d) 2 [context] [user] i am traveling to visit my mother soon. can you find me a flight? [system] what is your expecting departure date? [user] i want to fly out on the 2nd of march. [system] what city are you planning on landing in? and where and when would you like your return flight to be? [user] i am flying into philly and then returning from new york city on march 9th. [system] ok, i found 4 possible flights for you. would you like to fly with american airlines? the departing flight takes off at 7:55 am and the return flight takes off at 5:35 pm. the ticket costs $64. [user] is this ticket only for one passenger? also, is it economy or business class?
State: [state] origin=new york city airlines=none seating_class=none return_date=march 9th departure_date=2nd of march destination=philly 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 departure_date=9th of this month seating_class=b of possible values a) business b) economy c) first class d) premium economy destination=sf return_date=the 13th airlines=b of possible values a) air france b) delta airlines c) air canada d) american airlines e) alaska airlines f) british airways g) united airlines h) southwest airlines passengers=c of possible values a) 4 b) 3 c) 1 d) 2 [context] [user] i am traveling to visit my mother soon. can you find me a flight? [system] what is your expecting departure date? [user] i want to fly out on the 2nd of march. [system] what city are you planning on landing in? and where and when would you like your return flight to be? [user] i am flying into philly and then returning from new york city on march 9th. [system] ok, i found 4 possible flights for you. would you like to fly with american airlines? the departing flight takes off at 7:55 am and the return flight takes off at 5:35 pm. the ticket costs $64. [user] is this ticket only for one passenger? also, is it economy or business class? [system] it is an economy ticket for 1 passenger. [user] ok, thank you. i actually want to find 3 tickets for a one way flight.
State: [state] origin=new york city departure_date=2nd of march seating_class=none destination=philly return_date=march 9th airlines=d 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] passengers=a of possible values a) 1 b) 4 c) 2 d) 3 return_date=the 13th origin=seattle airlines=a of possible values a) delta airlines b) alaska airlines c) british airways d) air france e) united airlines f) air canada g) american airlines h) southwest airlines destination=sf seating_class=a of possible values a) economy b) business c) first class d) premium economy departure_date=9th of this month [context] [user] i am traveling to visit my mother soon. can you find me a flight? [system] what is your expecting departure date? [user] i want to fly out on the 2nd of march. [system] what city are you planning on landing in? and where and when would you like your return flight to be? [user] i am flying into philly and then returning from new york city on march 9th. [system] ok, i found 4 possible flights for you. would you like to fly with american airlines? the departing flight takes off at 7:55 am and the return flight takes off at 5:35 pm. the ticket costs $64. [user] is this ticket only for one passenger? also, is it economy or business class? [system] it is an economy ticket for 1 passenger. [user] ok, thank you. i actually want to find 3 tickets for a one way flight. [system] i found 1 possible flight for you. would you like to fly with american airlines? it is a nonstop flight with 0 stops that takes off at 7:55 am. it costs $58. [user] ok. thanks, that is all i need.
State: [state] passengers=d return_date=march 9th origin=new york city airlines=g destination=philly seating_class=none departure_date=2nd of march