[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 passengers=c of possible values a) 4 b) 2 c) 1 d) 3 airlines=h of possible values a) alaska airlines b) air canada c) united airlines d) southwest airlines e) air france f) british airways g) american airlines h) delta airlines return_date=the 13th seating_class=d of possible values a) premium economy b) first class c) business d) economy origin=seattle [context] [user] i'm going on a trip. can you book 2 flight tickets for me?
State: [state] departure_date=none destination=none passengers=b airlines=none return_date=none seating_class=none origin=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=e of possible values a) alaska airlines b) air canada c) southwest airlines d) air france e) delta airlines f) united airlines g) british airways h) american airlines destination=sf passengers=d of possible values a) 3 b) 2 c) 4 d) 1 origin=seattle seating_class=c of possible values a) business b) premium economy c) economy d) first class departure_date=9th of this month return_date=the 13th [context] [user] i'm going on a trip. can you book 2 flight tickets for me? [system] sure, what day are you flying out and when are you returning? [user] i'll be flying out on the 9th, and returning on march 14th.
State: [state] airlines=none destination=none passengers=b origin=none seating_class=none departure_date=the 9th return_date=march 14th

[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=c of possible values a) premium economy b) first class c) economy d) business passengers=d of possible values a) 4 b) 2 c) 3 d) 1 airlines=d of possible values a) british airways b) southwest airlines c) united airlines d) delta airlines e) alaska airlines f) american airlines g) air canada h) air france origin=seattle return_date=the 13th [context] [user] i'm going on a trip. can you book 2 flight tickets for me? [system] sure, what day are you flying out and when are you returning? [user] i'll be flying out on the 9th, and returning on march 14th. [system] which city are you leaving from? [user] i'll be flying out from vancouver. can you book me a ticket in the economy section?
State: [state] departure_date=the 9th destination=none seating_class=c passengers=b airlines=none origin=vancouver return_date=march 14th

[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) 3 d) 2 destination=sf return_date=the 13th origin=seattle seating_class=b of possible values a) first class b) economy c) premium economy d) business departure_date=9th of this month airlines=c of possible values a) air france b) air canada c) delta airlines d) southwest airlines e) american airlines f) alaska airlines g) united airlines h) british airways [context] [user] i'm going on a trip. can you book 2 flight tickets for me? [system] sure, what day are you flying out and when are you returning? [user] i'll be flying out on the 9th, and returning on march 14th. [system] which city are you leaving from? [user] i'll be flying out from vancouver. can you book me a ticket in the economy section? [system] got it. and where will you be flying to? [user] i'm going to seattle, wa.
State: [state] passengers=d destination=seattle, wa return_date=march 14th origin=vancouver seating_class=b departure_date=the 9th 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] departure_date=9th of this month seating_class=a of possible values a) economy b) business c) premium economy d) first class destination=sf passengers=d of possible values a) 4 b) 3 c) 2 d) 1 origin=seattle return_date=the 13th airlines=h of possible values a) southwest airlines b) alaska airlines c) british airways d) united airlines e) air france f) air canada g) american airlines h) delta airlines [context] [user] i'm going on a trip. can you book 2 flight tickets for me? [system] sure, what day are you flying out and when are you returning? [user] i'll be flying out on the 9th, and returning on march 14th. [system] which city are you leaving from? [user] i'll be flying out from vancouver. can you book me a ticket in the economy section? [system] got it. and where will you be flying to? [user] i'm going to seattle, wa. [system] how about this flight with delta airlines for $306? the departure flight is at 2:50 am and the return flight is at 7:40 am. [user] which airports does it fly out from and land in?
State: [state] departure_date=the 9th seating_class=a destination=seattle, wa passengers=c origin=vancouver return_date=march 14th 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] departure_date=9th of this month origin=seattle seating_class=c of possible values a) business b) premium economy c) economy d) first class destination=sf passengers=d of possible values a) 2 b) 4 c) 3 d) 1 return_date=the 13th airlines=a of possible values a) delta airlines b) american airlines c) united airlines d) british airways e) air france f) alaska airlines g) air canada h) southwest airlines [context] [user] i'm going on a trip. can you book 2 flight tickets for me? [system] sure, what day are you flying out and when are you returning? [user] i'll be flying out on the 9th, and returning on march 14th. [system] which city are you leaving from? [user] i'll be flying out from vancouver. can you book me a ticket in the economy section? [system] got it. and where will you be flying to? [user] i'm going to seattle, wa. [system] how about this flight with delta airlines for $306? the departure flight is at 2:50 am and the return flight is at 7:40 am. [user] which airports does it fly out from and land in? [system] the flight would be from seattle-tacoma international airport to yvr international airport. [user] ok, that sounds good. that's all for now.
State: [state] departure_date=the 9th origin=vancouver seating_class=c destination=seattle, wa passengers=a return_date=march 14th airlines=a