[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 destination=sf airlines=d of possible values a) southwest airlines b) american airlines c) alaska airlines d) delta airlines e) british airways f) united airlines g) air france h) air canada seating_class=a of possible values a) economy b) premium economy c) first class d) business passengers=d of possible values a) 2 b) 3 c) 4 d) 1 return_date=the 13th [context] [user] hello. i'd like to find a one way flight, please.
State: [state] origin=none departure_date=none destination=none airlines=none seating_class=none passengers=none return_date=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=a of possible values a) 1 b) 3 c) 4 d) 2 origin=seattle departure_date=9th of this month destination=sf return_date=the 13th seating_class=c of possible values a) premium economy b) first class c) economy d) business airlines=h of possible values a) southwest airlines b) british airways c) air france d) alaska airlines e) air canada f) united airlines g) american airlines h) delta airlines [context] [user] hello. i'd like to find a one way flight, please. [system] which city would you like to depart from? do you have a preferred date that you would like to travel? [user] i would like to fly with united airlines and leave on march 9th. i will be leaving from nyc.
State: [state] passengers=none origin=nyc departure_date=march 9th destination=none return_date=none seating_class=none airlines=f

[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) 4 b) 3 c) 2 d) 1 destination=sf airlines=h of possible values a) british airways b) southwest airlines c) alaska airlines d) united airlines e) air canada f) american airlines g) air france h) delta airlines return_date=the 13th origin=seattle seating_class=a of possible values a) economy b) first class c) business d) premium economy departure_date=9th of this month [context] [user] hello. i'd like to find a one way flight, please. [system] which city would you like to depart from? do you have a preferred date that you would like to travel? [user] i would like to fly with united airlines and leave on march 9th. i will be leaving from nyc. [system] which city are you planning to travel to? [user] i will be flying to lax and would like 4 tickets.
State: [state] passengers=a destination=lax airlines=d return_date=none origin=nyc seating_class=none departure_date=march 9th

[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 passengers=c of possible values a) 2 b) 4 c) 1 d) 3 airlines=g of possible values a) british airways b) southwest airlines c) alaska airlines d) air france e) united airlines f) american airlines g) delta airlines h) air canada departure_date=9th of this month origin=seattle return_date=the 13th seating_class=a of possible values a) economy b) premium economy c) first class d) business [context] [user] hello. i'd like to find a one way flight, please. [system] which city would you like to depart from? do you have a preferred date that you would like to travel? [user] i would like to fly with united airlines and leave on march 9th. i will be leaving from nyc. [system] which city are you planning to travel to? [user] i will be flying to lax and would like 4 tickets. [system] would united airlines be acceptable? they have a flight that departs at 12:10 pm with 0 stops. the ticket for the flight will cost $162. [user] when and where will the flight arrive?
State: [state] destination=lax passengers=b airlines=e departure_date=march 9th origin=nyc 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] departure_date=9th of this month return_date=the 13th seating_class=b of possible values a) business b) economy c) first class d) premium economy passengers=a of possible values a) 1 b) 3 c) 4 d) 2 origin=seattle airlines=h of possible values a) british airways b) air france c) united airlines d) southwest airlines e) american airlines f) alaska airlines g) air canada h) delta airlines destination=sf [context] [user] hello. i'd like to find a one way flight, please. [system] which city would you like to depart from? do you have a preferred date that you would like to travel? [user] i would like to fly with united airlines and leave on march 9th. i will be leaving from nyc. [system] which city are you planning to travel to? [user] i will be flying to lax and would like 4 tickets. [system] would united airlines be acceptable? they have a flight that departs at 12:10 pm with 0 stops. the ticket for the flight will cost $162. [user] when and where will the flight arrive? [system] the flight will arrive at lax international airport at 3:20 pm. [user] okay, that sounds great.
State: [state] departure_date=march 9th return_date=none seating_class=none passengers=c origin=nyc airlines=c destination=lax

[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 departure_date=9th of this month origin=seattle passengers=c of possible values a) 3 b) 2 c) 1 d) 4 return_date=the 13th airlines=c of possible values a) american airlines b) air france c) delta airlines d) air canada e) united airlines f) alaska airlines g) british airways h) southwest airlines seating_class=a of possible values a) economy b) business c) premium economy d) first class [context] [user] hello. i'd like to find a one way flight, please. [system] which city would you like to depart from? do you have a preferred date that you would like to travel? [user] i would like to fly with united airlines and leave on march 9th. i will be leaving from nyc. [system] which city are you planning to travel to? [user] i will be flying to lax and would like 4 tickets. [system] would united airlines be acceptable? they have a flight that departs at 12:10 pm with 0 stops. the ticket for the flight will cost $162. [user] when and where will the flight arrive? [system] the flight will arrive at lax international airport at 3:20 pm. [user] okay, that sounds great. [system] is there anything else i can help you with? [user] no, that is all. thank you for your help.
State: [state] destination=lax departure_date=march 9th origin=nyc passengers=d return_date=none airlines=e seating_class=none