[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=c of possible values a) business b) premium economy c) economy d) first class origin=seattle destination=sf departure_date=9th of this month passengers=c of possible values a) 4 b) 3 c) 1 d) 2 return_date=the 13th airlines=b of possible values a) air canada b) delta airlines c) air france d) american airlines e) united airlines f) british airways g) southwest airlines h) alaska airlines [context] [user] i am looking for american airlines flight for atlanta.
State: [state] seating_class=none origin=none destination=atlanta departure_date=none passengers=none return_date=none 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] origin=seattle departure_date=9th of this month passengers=a of possible values a) 1 b) 3 c) 2 d) 4 destination=sf airlines=h of possible values a) british airways b) american airlines c) united airlines d) southwest airlines e) air canada f) air france g) alaska airlines h) delta airlines return_date=the 13th seating_class=c of possible values a) business b) first class c) economy d) premium economy [context] [user] i am looking for american airlines flight for atlanta. [system] which are the dates of onward and return travel? [user] i wnat to travel on 12th of march and return on 14th of this month.
State: [state] origin=none departure_date=12th of march passengers=none destination=atlanta airlines=b return_date=14th of this month 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] seating_class=c of possible values a) premium economy b) business c) economy d) first class destination=sf origin=seattle airlines=e of possible values a) american airlines b) air france c) british airways d) alaska airlines e) delta airlines f) air canada g) united airlines h) southwest airlines departure_date=9th of this month passengers=b of possible values a) 4 b) 1 c) 2 d) 3 return_date=the 13th [context] [user] i am looking for american airlines flight for atlanta. [system] which are the dates of onward and return travel? [user] i wnat to travel on 12th of march and return on 14th of this month. [system] from which city you want to depart? [user] i need 4 tickets of united airlines flight from philly.
State: [state] seating_class=none destination=atlanta origin=philly airlines=g departure_date=12th of march passengers=a return_date=14th of this month

[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 airlines=a of possible values a) delta airlines b) british airways c) southwest airlines d) united airlines e) american airlines f) air canada g) alaska airlines h) air france seating_class=a of possible values a) economy b) business c) first class d) premium economy passengers=b of possible values a) 2 b) 1 c) 3 d) 4 origin=seattle destination=sf [context] [user] i am looking for american airlines flight for atlanta. [system] which are the dates of onward and return travel? [user] i wnat to travel on 12th of march and return on 14th of this month. [system] from which city you want to depart? [user] i need 4 tickets of united airlines flight from philly. [system] would you like travel by united airlines flight which takes off at 4:45 am? the return flight takes off at 7:10 am and the cost is $185. [user] can i look for a one way flight?
State: [state] departure_date=12th of march return_date=14th of this month airlines=d seating_class=none passengers=d origin=philly destination=atlanta

[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=h of possible values a) southwest airlines b) air canada c) alaska airlines d) united airlines e) air france f) american airlines g) british airways h) delta airlines return_date=the 13th destination=sf seating_class=a of possible values a) economy b) business c) premium economy d) first class origin=seattle passengers=a of possible values a) 1 b) 4 c) 3 d) 2 departure_date=9th of this month [context] [user] i am looking for american airlines flight for atlanta. [system] which are the dates of onward and return travel? [user] i wnat to travel on 12th of march and return on 14th of this month. [system] from which city you want to depart? [user] i need 4 tickets of united airlines flight from philly. [system] would you like travel by united airlines flight which takes off at 4:45 am? the return flight takes off at 7:10 am and the cost is $185. [user] can i look for a one way flight? [system] there is 1 flight of united airlines which takes of at 4:45 am with 1 stop. the cost of the ticket is $171. [user] thats all i need. thanks.
State: [state] airlines=d return_date=14th of this month destination=atlanta seating_class=none origin=philly passengers=b departure_date=12th of march