[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=e of possible values a) air france b) british airways c) air canada d) united airlines e) delta airlines f) alaska airlines g) southwest airlines h) american airlines origin=seattle seating_class=a of possible values a) economy b) first class c) business d) premium economy return_date=the 13th departure_date=9th of this month destination=sf passengers=c of possible values a) 4 b) 2 c) 1 d) 3 [context] [user] hey, i need to book a one-way flight.
State: [state] airlines=none origin=none seating_class=none return_date=none departure_date=none destination=none 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] departure_date=9th of this month passengers=a of possible values a) 1 b) 3 c) 2 d) 4 airlines=f of possible values a) american airlines b) air canada c) united airlines d) british airways e) air france f) delta airlines g) alaska airlines h) southwest airlines destination=sf origin=seattle return_date=the 13th seating_class=d of possible values a) business b) first class c) premium economy d) economy [context] [user] hey, i need to book a one-way flight. [system] sure thing. where are you going? where are you departing from? when would you like to travel? [user] i'd like to depart on the 12th of march from lax to portland.
State: [state] departure_date=12th of march passengers=none airlines=none destination=portland origin=lax return_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] return_date=the 13th seating_class=a of possible values a) economy b) premium economy c) business d) first class airlines=f of possible values a) air canada b) southwest airlines c) alaska airlines d) american airlines e) united airlines f) delta airlines g) air france h) british airways destination=sf origin=seattle passengers=b of possible values a) 4 b) 1 c) 2 d) 3 departure_date=9th of this month [context] [user] hey, i need to book a one-way flight. [system] sure thing. where are you going? where are you departing from? when would you like to travel? [user] i'd like to depart on the 12th of march from lax to portland. [system] are you happy to fly with alaska airlines? we have a flight from 7:25 am with 0 stops. the total price will be $129. [user] okay, that sounds good thanks.
State: [state] return_date=none seating_class=none airlines=c destination=portland origin=lax passengers=none departure_date=12th 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 destination=sf passengers=a of possible values a) 1 b) 4 c) 2 d) 3 seating_class=d of possible values a) premium economy b) business c) first class d) economy departure_date=9th of this month airlines=e of possible values a) british airways b) air canada c) southwest airlines d) alaska airlines e) delta airlines f) air france g) american airlines h) united airlines return_date=the 13th [context] [user] hey, i need to book a one-way flight. [system] sure thing. where are you going? where are you departing from? when would you like to travel? [user] i'd like to depart on the 12th of march from lax to portland. [system] are you happy to fly with alaska airlines? we have a flight from 7:25 am with 0 stops. the total price will be $129. [user] okay, that sounds good thanks. [system] so, when would you like to book a returning flight? [user] i'm returning on the 14th of this month.
State: [state] origin=lax destination=portland passengers=none seating_class=none departure_date=12th of march airlines=d return_date=14th of this month

[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] destination=sf return_date=the 13th origin=seattle departure_date=9th of this month passengers=c of possible values a) 4 b) 3 c) 1 d) 2 airlines=c of possible values a) southwest airlines b) american airlines c) delta airlines d) air canada e) british airways f) united airlines g) alaska airlines h) air france seating_class=d of possible values a) first class b) premium economy c) business d) economy [context] [user] hey, i need to book a one-way flight. [system] sure thing. where are you going? where are you departing from? when would you like to travel? [user] i'd like to depart on the 12th of march from lax to portland. [system] are you happy to fly with alaska airlines? we have a flight from 7:25 am with 0 stops. the total price will be $129. [user] okay, that sounds good thanks. [system] so, when would you like to book a returning flight? [user] i'm returning on the 14th of this month. [system] sure. if you'll fly with alaska airlines, we have a return flight, with the initial flight departing at 5:15 am and the return leg departing at 10:10 am. it's $141 total. there's only 1 flight available. [user] okay that'll be fine. that's all.
State: [state] destination=portland return_date=14th of this month origin=lax departure_date=12th of march passengers=none airlines=g seating_class=none