[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) southwest airlines b) air canada c) alaska airlines d) united airlines e) american airlines f) delta airlines g) british airways h) air france passengers=b of possible values a) 3 b) 1 c) 2 d) 4 return_date=the 13th origin=seattle destination=sf departure_date=9th of this month seating_class=b of possible values a) business b) economy c) first class d) premium economy [context] [user] i want to find a one way flight.
State: [state] airlines=none passengers=none return_date=none origin=none destination=none 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] departure_date=9th of this month destination=sf seating_class=b of possible values a) premium economy b) economy c) first class d) business airlines=c of possible values a) alaska airlines b) british airways c) delta airlines d) southwest airlines e) air canada f) american airlines g) air france h) united airlines return_date=the 13th origin=seattle passengers=b of possible values a) 2 b) 1 c) 3 d) 4 [context] [user] i want to find a one way flight. [system] what date would you like to travel? which city do you want to depart from? where are you planning to go? [user] i will be flying to philly. i want to star my traveling by the 13th of march. look for flights from toronto, ontario
State: [state] departure_date=13th of march destination=philly seating_class=none airlines=none return_date=none origin=toronto, ontario 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] seating_class=d of possible values a) first class b) business c) premium economy d) economy destination=sf passengers=d of possible values a) 3 b) 2 c) 4 d) 1 departure_date=9th of this month return_date=the 13th airlines=g of possible values a) american airlines b) southwest airlines c) air canada d) air france e) british airways f) united airlines g) delta airlines h) alaska airlines origin=seattle [context] [user] i want to find a one way flight. [system] what date would you like to travel? which city do you want to depart from? where are you planning to go? [user] i will be flying to philly. i want to star my traveling by the 13th of march. look for flights from toronto, ontario [system] i found 1 flight for you. would mind flying with air canada. the flight takes off at 4:40 pm. the flight has 1 stop. the ticket costs $208. [user] is this an economy or business class ticket
State: [state] seating_class=none destination=philly passengers=none departure_date=13th of march return_date=none airlines=none origin=toronto, ontario

[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) 2 b) 1 c) 4 d) 3 origin=seattle return_date=the 13th airlines=h of possible values a) british airways b) southwest airlines c) united airlines d) alaska airlines e) air france f) american airlines g) air canada h) delta airlines destination=sf departure_date=9th of this month seating_class=d of possible values a) premium economy b) business c) first class d) economy [context] [user] i want to find a one way flight. [system] what date would you like to travel? which city do you want to depart from? where are you planning to go? [user] i will be flying to philly. i want to star my traveling by the 13th of march. look for flights from toronto, ontario [system] i found 1 flight for you. would mind flying with air canada. the flight takes off at 4:40 pm. the flight has 1 stop. the ticket costs $208. [user] is this an economy or business class ticket [system] it is an economy ticket. [user] ok.
State: [state] passengers=none origin=toronto, ontario return_date=none airlines=g destination=philly departure_date=13th of march 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=b of possible values a) 3 b) 1 c) 4 d) 2 airlines=d of possible values a) alaska airlines b) air france c) southwest airlines d) delta airlines e) united airlines f) air canada g) american airlines h) british airways seating_class=b of possible values a) first class b) economy c) premium economy d) business origin=seattle departure_date=9th of this month return_date=the 13th destination=sf [context] [user] i want to find a one way flight. [system] what date would you like to travel? which city do you want to depart from? where are you planning to go? [user] i will be flying to philly. i want to star my traveling by the 13th of march. look for flights from toronto, ontario [system] i found 1 flight for you. would mind flying with air canada. the flight takes off at 4:40 pm. the flight has 1 stop. the ticket costs $208. [user] is this an economy or business class ticket [system] it is an economy ticket. [user] ok. [system] can i help you with something else? [user] no, thanks for your help.
State: [state] passengers=none airlines=f seating_class=none origin=toronto, ontario departure_date=13th of march return_date=none destination=philly