[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) business b) premium economy c) economy d) first class origin=seattle departure_date=9th of this month destination=sf return_date=the 13th passengers=b of possible values a) 4 b) 1 c) 2 d) 3 airlines=c of possible values a) american airlines b) alaska airlines c) delta airlines d) british airways e) air canada f) air france g) united airlines h) southwest airlines [context] [user] i'd like to locate a one way flight to toronto, ontario.
State: [state] seating_class=none origin=none departure_date=none destination=toronto, ontario return_date=none passengers=none airlines=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=h of possible values a) alaska airlines b) american airlines c) air canada d) united airlines e) southwest airlines f) air france g) british airways h) delta airlines passengers=a of possible values a) 1 b) 3 c) 4 d) 2 return_date=the 13th destination=sf departure_date=9th of this month seating_class=d of possible values a) first class b) premium economy c) business d) economy origin=seattle [context] [user] i'd like to locate a one way flight to toronto, ontario. [system] which city are you departing from? what date would you like to travel? [user] i want to book my flight for this saturday from seattle, wa. any ticket class works for me.
State: [state] airlines=none passengers=none return_date=none destination=toronto, ontario departure_date=this saturday seating_class=dontcare origin=seattle, wa

[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 airlines=b of possible values a) air canada b) delta airlines c) air france d) alaska airlines e) american airlines f) southwest airlines g) british airways h) united airlines departure_date=9th of this month passengers=c of possible values a) 3 b) 4 c) 1 d) 2 destination=sf seating_class=d of possible values a) first class b) business c) premium economy d) economy [context] [user] i'd like to locate a one way flight to toronto, ontario. [system] which city are you departing from? what date would you like to travel? [user] i want to book my flight for this saturday from seattle, wa. any ticket class works for me. [system] i have found 5 flights for you. would you like to fly with alaska airlines? that flight departs at 8:25 am. it has 1 stop. the ticket price is $262. [user] how many passengers did you book this for?
State: [state] return_date=none origin=seattle, wa airlines=none departure_date=this saturday passengers=none destination=toronto, ontario seating_class=dontcare

[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) british airways b) air canada c) united airlines d) southwest airlines e) air france f) alaska airlines g) american airlines h) delta airlines return_date=the 13th origin=seattle destination=sf passengers=b of possible values a) 2 b) 1 c) 4 d) 3 seating_class=c of possible values a) premium economy b) business c) economy d) first class departure_date=9th of this month [context] [user] i'd like to locate a one way flight to toronto, ontario. [system] which city are you departing from? what date would you like to travel? [user] i want to book my flight for this saturday from seattle, wa. any ticket class works for me. [system] i have found 5 flights for you. would you like to fly with alaska airlines? that flight departs at 8:25 am. it has 1 stop. the ticket price is $262. [user] how many passengers did you book this for? [system] it is for 1 traveler. [user] ok, thank you, that is all i need.
State: [state] airlines=f return_date=none origin=seattle, wa destination=toronto, ontario passengers=none seating_class=dontcare departure_date=this saturday