[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 return_date=the 13th airlines=e of possible values a) american airlines b) united airlines c) southwest airlines d) air france e) delta airlines f) british airways g) air canada h) alaska airlines seating_class=c of possible values a) business b) first class c) economy d) premium economy destination=sf passengers=d of possible values a) 3 b) 4 c) 2 d) 1 [context] [user] i would like to find a flight.
State: [state] origin=none departure_date=none return_date=none airlines=none seating_class=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 airlines=d of possible values a) air france b) air canada c) american airlines d) delta airlines e) southwest airlines f) united airlines g) british airways h) alaska airlines seating_class=b of possible values a) business b) economy c) premium economy d) first class return_date=the 13th destination=sf origin=seattle passengers=c of possible values a) 4 b) 3 c) 1 d) 2 [context] [user] i would like to find a flight. [system] when would you like to depart, and when would you like to return? [user] i'd like to depart on the 10th and return on the 12th.
State: [state] departure_date=the 10th airlines=none seating_class=none return_date=the 12th destination=none origin=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] return_date=the 13th origin=seattle departure_date=9th of this month seating_class=a of possible values a) economy b) premium economy c) business d) first class airlines=e of possible values a) united airlines b) southwest airlines c) alaska airlines d) air canada e) delta airlines f) air france g) american airlines h) british airways passengers=a of possible values a) 1 b) 3 c) 4 d) 2 destination=sf [context] [user] i would like to find a flight. [system] when would you like to depart, and when would you like to return? [user] i'd like to depart on the 10th and return on the 12th. [system] where are you departing from, and what is your destination? [user] i am traveling from new delhi to chicago. i would like 1 ticket.
State: [state] return_date=the 12th origin=new delhi departure_date=the 10th seating_class=none airlines=none passengers=a destination=chicago

[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 origin=seattle seating_class=b of possible values a) first class b) economy c) business d) premium economy destination=sf departure_date=9th of this month airlines=f of possible values a) air canada b) air france c) american airlines d) southwest airlines e) british airways f) delta airlines g) united airlines h) alaska airlines return_date=the 13th [context] [user] i would like to find a flight. [system] when would you like to depart, and when would you like to return? [user] i'd like to depart on the 10th and return on the 12th. [system] where are you departing from, and what is your destination? [user] i am traveling from new delhi to chicago. i would like 1 ticket. [system] i've found 1 flight for you. it is a united airlines flight. the departing flight is at 1:10 am, and the return flight is at 12:45 pm. the price of the ticket is $433. [user] alright. i want a one way flight.
State: [state] passengers=a origin=new delhi seating_class=none destination=chicago departure_date=the 10th airlines=g return_date=the 12th

[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=b of possible values a) premium economy b) economy c) business d) first class return_date=the 13th departure_date=9th of this month destination=sf origin=seattle passengers=d of possible values a) 2 b) 4 c) 3 d) 1 airlines=h of possible values a) southwest airlines b) alaska airlines c) american airlines d) united airlines e) air france f) air canada g) british airways h) delta airlines [context] [user] i would like to find a flight. [system] when would you like to depart, and when would you like to return? [user] i'd like to depart on the 10th and return on the 12th. [system] where are you departing from, and what is your destination? [user] i am traveling from new delhi to chicago. i would like 1 ticket. [system] i've found 1 flight for you. it is a united airlines flight. the departing flight is at 1:10 am, and the return flight is at 12:45 pm. the price of the ticket is $433. [user] alright. i want a one way flight. [system] i've found 1 flight for you. it is a united airlines flight which departs at 1:10 am. the price of the ticket is $406. [user] which airport does the flight leave from, and which airport does it land at?
State: [state] seating_class=none return_date=the 12th departure_date=the 10th destination=chicago origin=new delhi passengers=d airlines=d

[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=b of possible values a) first class b) economy c) business d) premium economy departure_date=9th of this month return_date=the 13th airlines=g of possible values a) air canada b) american airlines c) british airways d) southwest airlines e) alaska airlines f) air france g) delta airlines h) united airlines passengers=a of possible values a) 1 b) 2 c) 4 d) 3 destination=sf origin=seattle [context] [user] i would like to find a flight. [system] when would you like to depart, and when would you like to return? [user] i'd like to depart on the 10th and return on the 12th. [system] where are you departing from, and what is your destination? [user] i am traveling from new delhi to chicago. i would like 1 ticket. [system] i've found 1 flight for you. it is a united airlines flight. the departing flight is at 1:10 am, and the return flight is at 12:45 pm. the price of the ticket is $433. [user] alright. i want a one way flight. [system] i've found 1 flight for you. it is a united airlines flight which departs at 1:10 am. the price of the ticket is $406. [user] which airport does the flight leave from, and which airport does it land at? [system] the flight takes off from indira gandhi international airport and will arrive at o'hare international airport. [user] okay, thanks.
State: [state] seating_class=none departure_date=the 10th return_date=the 12th airlines=h passengers=a destination=chicago origin=new delhi

[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=c of possible values a) 2 b) 3 c) 1 d) 4 destination=sf airlines=e of possible values a) united airlines b) air canada c) american airlines d) air france e) delta airlines f) southwest airlines g) british airways h) alaska airlines departure_date=9th of this month seating_class=b of possible values a) first class b) economy c) business d) premium economy [context] [user] i would like to find a flight. [system] when would you like to depart, and when would you like to return? [user] i'd like to depart on the 10th and return on the 12th. [system] where are you departing from, and what is your destination? [user] i am traveling from new delhi to chicago. i would like 1 ticket. [system] i've found 1 flight for you. it is a united airlines flight. the departing flight is at 1:10 am, and the return flight is at 12:45 pm. the price of the ticket is $433. [user] alright. i want a one way flight. [system] i've found 1 flight for you. it is a united airlines flight which departs at 1:10 am. the price of the ticket is $406. [user] which airport does the flight leave from, and which airport does it land at? [system] the flight takes off from indira gandhi international airport and will arrive at o'hare international airport. [user] okay, thanks. [system] is there anything else i can help you with? [user] no, thank you.
State: [state] origin=new delhi return_date=the 12th passengers=c destination=chicago airlines=a departure_date=the 10th seating_class=none