[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) 2 b) 3 c) 4 d) 1 return_date=the 13th departure_date=9th of this month destination=sf seating_class=b of possible values a) premium economy b) economy c) first class d) business origin=seattle airlines=c of possible values a) alaska airlines b) air canada c) delta airlines d) american airlines e) united airlines f) british airways g) southwest airlines h) air france [context] [user] i will be taking a one way flight so i would like to have one ticket.
State: [state] passengers=d return_date=none departure_date=none destination=none seating_class=none origin=none 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] passengers=b of possible values a) 4 b) 1 c) 2 d) 3 return_date=the 13th destination=sf seating_class=a of possible values a) economy b) business c) premium economy d) first class origin=seattle departure_date=9th of this month airlines=g of possible values a) air canada b) air france c) american airlines d) alaska airlines e) united airlines f) southwest airlines g) delta airlines h) british airways [context] [user] i will be taking a one way flight so i would like to have one ticket. [system] can you please give me the date when you will be flying? also i would like for you to give me the name of the city from where you will depart from. where will you be having your destination? [user] i will be flying from atlanta, and i will be visiting chicago. i will be flying on the march 14th.
State: [state] passengers=b return_date=none destination=chicago seating_class=none origin=atlanta departure_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 seating_class=c of possible values a) premium economy b) first class c) economy d) business passengers=a of possible values a) 1 b) 2 c) 4 d) 3 airlines=f of possible values a) air france b) british airways c) alaska airlines d) united airlines e) southwest airlines f) delta airlines g) air canada h) american airlines destination=sf origin=seattle return_date=the 13th [context] [user] i will be taking a one way flight so i would like to have one ticket. [system] can you please give me the date when you will be flying? also i would like for you to give me the name of the city from where you will depart from. where will you be having your destination? [user] i will be flying from atlanta, and i will be visiting chicago. i will be flying on the march 14th. [system] i can see that 4 flights suit what you want. would you prefer to have american airlines as your airline? the flight will be departing at 9:15 pm and it has 0 stops. the flight will be costing you $128. [user] can you tell me if this is a redeye flight?
State: [state] departure_date=march 14th seating_class=none passengers=a airlines=none destination=chicago origin=atlanta 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] return_date=the 13th departure_date=9th of this month seating_class=a of possible values a) economy b) business c) premium economy d) first class origin=seattle passengers=c of possible values a) 4 b) 3 c) 1 d) 2 destination=sf airlines=c of possible values a) alaska airlines b) air canada c) delta airlines d) american airlines e) british airways f) united airlines g) air france h) southwest airlines [context] [user] i will be taking a one way flight so i would like to have one ticket. [system] can you please give me the date when you will be flying? also i would like for you to give me the name of the city from where you will depart from. where will you be having your destination? [user] i will be flying from atlanta, and i will be visiting chicago. i will be flying on the march 14th. [system] i can see that 4 flights suit what you want. would you prefer to have american airlines as your airline? the flight will be departing at 9:15 pm and it has 0 stops. the flight will be costing you $128. [user] can you tell me if this is a redeye flight? [system] i can confirm that it is not an overnight trip. [user] alright, seems fine.
State: [state] return_date=none departure_date=march 14th seating_class=none origin=atlanta passengers=c destination=chicago 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] destination=sf departure_date=9th of this month passengers=c of possible values a) 4 b) 2 c) 1 d) 3 return_date=the 13th airlines=g of possible values a) air france b) united airlines c) british airways d) southwest airlines e) alaska airlines f) air canada g) delta airlines h) american airlines seating_class=a of possible values a) economy b) first class c) premium economy d) business origin=seattle [context] [user] i will be taking a one way flight so i would like to have one ticket. [system] can you please give me the date when you will be flying? also i would like for you to give me the name of the city from where you will depart from. where will you be having your destination? [user] i will be flying from atlanta, and i will be visiting chicago. i will be flying on the march 14th. [system] i can see that 4 flights suit what you want. would you prefer to have american airlines as your airline? the flight will be departing at 9:15 pm and it has 0 stops. the flight will be costing you $128. [user] can you tell me if this is a redeye flight? [system] i can confirm that it is not an overnight trip. [user] alright, seems fine. [system] is there something else i can help you with? [user] no, that would be all. i appreciate your help.
State: [state] destination=chicago departure_date=march 14th passengers=c return_date=none airlines=h seating_class=none origin=atlanta