[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 france b) alaska airlines c) british airways d) southwest airlines e) united airlines f) delta airlines g) air canada h) american airlines passengers=b of possible values a) 2 b) 1 c) 4 d) 3 return_date=the 13th destination=sf origin=seattle departure_date=9th of this month seating_class=a of possible values a) economy b) first class c) premium economy d) business [context] [user] i'm looking for one way flights from las vegas.
State: [state] airlines=none passengers=none return_date=none destination=none origin=las vegas departure_date=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=d of possible values a) first class b) business c) premium economy d) economy departure_date=9th of this month passengers=b of possible values a) 4 b) 1 c) 3 d) 2 destination=sf airlines=c of possible values a) air canada b) southwest airlines c) delta airlines d) british airways e) american airlines f) united airlines g) air france h) alaska airlines origin=seattle return_date=the 13th [context] [user] i'm looking for one way flights from las vegas. [system] where do you plan to go? [user] i'll be flying to seattle.
State: [state] seating_class=none departure_date=none passengers=none destination=seattle airlines=none origin=las vegas return_date=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 return_date=the 13th passengers=a of possible values a) 1 b) 4 c) 3 d) 2 airlines=c of possible values a) american airlines b) alaska airlines c) delta airlines d) united airlines e) southwest airlines f) air canada g) british airways h) air france destination=sf seating_class=a of possible values a) economy b) premium economy c) first class d) business departure_date=9th of this month [context] [user] i'm looking for one way flights from las vegas. [system] where do you plan to go? [user] i'll be flying to seattle. [system] on what date would you like to travel? [user] i'm looking for a flights next wednesday for premium economy.
State: [state] origin=las vegas return_date=none passengers=none airlines=none destination=seattle seating_class=b departure_date=next wednesday

[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=d of possible values a) premium economy b) business c) first class d) economy destination=sf passengers=b of possible values a) 3 b) 1 c) 4 d) 2 origin=seattle departure_date=9th of this month return_date=the 13th airlines=b of possible values a) air canada b) delta airlines c) air france d) british airways e) united airlines f) alaska airlines g) american airlines h) southwest airlines [context] [user] i'm looking for one way flights from las vegas. [system] where do you plan to go? [user] i'll be flying to seattle. [system] on what date would you like to travel? [user] i'm looking for a flights next wednesday for premium economy. [system] would you like american airlines? there's a flight that takes off at 6:40 am and stops 1 time. the ticket will cost you $358. [user] can you find me something else?
State: [state] seating_class=a destination=seattle passengers=none origin=las vegas departure_date=next wednesday return_date=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] seating_class=a of possible values a) economy b) business c) first class d) premium economy passengers=c of possible values a) 2 b) 4 c) 1 d) 3 origin=seattle return_date=the 13th airlines=c of possible values a) air france b) alaska airlines c) delta airlines d) british airways e) american airlines f) southwest airlines g) air canada h) united airlines destination=sf departure_date=9th of this month [context] [user] i'm looking for one way flights from las vegas. [system] where do you plan to go? [user] i'll be flying to seattle. [system] on what date would you like to travel? [user] i'm looking for a flights next wednesday for premium economy. [system] would you like american airlines? there's a flight that takes off at 6:40 am and stops 1 time. the ticket will cost you $358. [user] can you find me something else? [system] there's also united airlines taking off at 1:40 pm with 1 stop. the ticket will cost you $348. [user] thanks, that will be all i need.
State: [state] seating_class=d passengers=none origin=las vegas return_date=none airlines=h destination=seattle departure_date=next wednesday