[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 seating_class=a of possible values a) economy b) premium economy c) first class d) business departure_date=9th of this month airlines=c of possible values a) british airways b) united airlines c) delta airlines d) alaska airlines e) air france f) american airlines g) southwest airlines h) air canada origin=seattle passengers=c of possible values a) 2 b) 3 c) 1 d) 4 [context] [user] i'm looking for a round trip flight for a trip to portland.
State: [state] destination=portland return_date=none seating_class=none departure_date=none airlines=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 destination=sf seating_class=a of possible values a) economy b) first class c) business d) premium economy departure_date=9th of this month origin=seattle airlines=f of possible values a) air france b) british airways c) alaska airlines d) united airlines e) southwest airlines f) delta airlines g) american airlines h) air canada passengers=b of possible values a) 4 b) 1 c) 2 d) 3 [context] [user] i'm looking for a round trip flight for a trip to portland. [system] on what date please? [user] that would be on the 8th.
State: [state] return_date=none destination=portland seating_class=none departure_date=the 8th origin=none airlines=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=c of possible values a) southwest airlines b) british airways c) delta airlines d) united airlines e) air canada f) american airlines g) alaska airlines h) air france seating_class=c of possible values a) premium economy b) first class c) economy d) business origin=seattle passengers=a of possible values a) 1 b) 2 c) 3 d) 4 return_date=the 13th destination=sf [context] [user] i'm looking for a round trip flight for a trip to portland. [system] on what date please? [user] that would be on the 8th. [system] when would you like to return? [user] on march 13th.
State: [state] departure_date=the 8th airlines=none seating_class=none origin=none passengers=none return_date=march 13th destination=portland

[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=d of possible values a) 3 b) 2 c) 4 d) 1 airlines=b of possible values a) alaska airlines b) delta airlines c) american airlines d) southwest airlines e) air france f) air canada g) united airlines h) british airways seating_class=b of possible values a) premium economy b) economy c) business d) first class origin=seattle departure_date=9th of this month return_date=the 13th destination=sf [context] [user] i'm looking for a round trip flight for a trip to portland. [system] on what date please? [user] that would be on the 8th. [system] when would you like to return? [user] on march 13th. [system] departing from which city? [user] from phoenix, az please.
State: [state] passengers=none airlines=none seating_class=none origin=phoenix, az departure_date=the 8th return_date=march 13th destination=portland

[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 airlines=d of possible values a) british airways b) air canada c) united airlines d) delta airlines e) southwest airlines f) air france g) alaska airlines h) american airlines passengers=a of possible values a) 1 b) 3 c) 2 d) 4 origin=seattle seating_class=b of possible values a) business b) economy c) premium economy d) first class departure_date=9th of this month destination=sf [context] [user] i'm looking for a round trip flight for a trip to portland. [system] on what date please? [user] that would be on the 8th. [system] when would you like to return? [user] on march 13th. [system] departing from which city? [user] from phoenix, az please. [system] i have 4 possibilities for you. on american airlines i have a flight at 12:40 pm coming back at 9:05 am for $162. [user] do you have anything on southwest airlines?
State: [state] return_date=march 13th airlines=e passengers=none origin=phoenix, az seating_class=none departure_date=the 8th destination=portland

[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 airlines=a of possible values a) delta airlines b) air france c) southwest airlines d) united airlines e) air canada f) british airways g) alaska airlines h) american airlines return_date=the 13th destination=sf departure_date=9th of this month passengers=a of possible values a) 1 b) 4 c) 2 d) 3 seating_class=d of possible values a) premium economy b) first class c) business d) economy [context] [user] i'm looking for a round trip flight for a trip to portland. [system] on what date please? [user] that would be on the 8th. [system] when would you like to return? [user] on march 13th. [system] departing from which city? [user] from phoenix, az please. [system] i have 4 possibilities for you. on american airlines i have a flight at 12:40 pm coming back at 9:05 am for $162. [user] do you have anything on southwest airlines? [system] on southwest airlines, i have a flight at 7:15 pm returning at 7:40 am for $186. [user] where does that fly out of? i have three passengers by the way.
State: [state] origin=phoenix, az airlines=c return_date=march 13th destination=portland departure_date=the 8th passengers=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] airlines=b of possible values a) southwest airlines b) delta airlines c) air france d) alaska airlines e) air canada f) united airlines g) american airlines h) british airways seating_class=d of possible values a) first class b) business c) premium economy d) economy departure_date=9th of this month passengers=a of possible values a) 1 b) 2 c) 4 d) 3 return_date=the 13th origin=seattle destination=sf [context] [user] i'm looking for a round trip flight for a trip to portland. [system] on what date please? [user] that would be on the 8th. [system] when would you like to return? [user] on march 13th. [system] departing from which city? [user] from phoenix, az please. [system] i have 4 possibilities for you. on american airlines i have a flight at 12:40 pm coming back at 9:05 am for $162. [user] do you have anything on southwest airlines? [system] on southwest airlines, i have a flight at 7:15 pm returning at 7:40 am for $186. [user] where does that fly out of? i have three passengers by the way. [system] it leaves from sky harbor international airport for 1 traveler. [user] ok, that's fine.
State: [state] airlines=a seating_class=none departure_date=the 8th passengers=none return_date=march 13th origin=phoenix, az destination=portland

[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 origin=seattle seating_class=a of possible values a) economy b) first class c) premium economy d) business airlines=a of possible values a) delta airlines b) air canada c) air france d) alaska airlines e) british airways f) american airlines g) southwest airlines h) united airlines return_date=the 13th departure_date=9th of this month passengers=a of possible values a) 1 b) 4 c) 2 d) 3 [context] [user] i'm looking for a round trip flight for a trip to portland. [system] on what date please? [user] that would be on the 8th. [system] when would you like to return? [user] on march 13th. [system] departing from which city? [user] from phoenix, az please. [system] i have 4 possibilities for you. on american airlines i have a flight at 12:40 pm coming back at 9:05 am for $162. [user] do you have anything on southwest airlines? [system] on southwest airlines, i have a flight at 7:15 pm returning at 7:40 am for $186. [user] where does that fly out of? i have three passengers by the way. [system] it leaves from sky harbor international airport for 1 traveler. [user] ok, that's fine. [system] is there anything else i can help you with? [user] i don't think so.
State: [state] destination=portland origin=phoenix, az seating_class=none airlines=g return_date=march 13th departure_date=the 8th passengers=none