[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) business b) first class c) economy d) premium economy origin=seattle passengers=c of possible values a) 3 b) 4 c) 1 d) 2 destination=sf airlines=e of possible values a) air canada b) air france c) british airways d) southwest airlines e) delta airlines f) american airlines g) alaska airlines h) united airlines return_date=the 13th [context] [user] i'm looking for a returning flight on the 14th of this month.
State: [state] departure_date=none seating_class=none origin=none passengers=none destination=none airlines=none 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] seating_class=a of possible values a) economy b) first class c) premium economy d) business return_date=the 13th departure_date=9th of this month destination=sf airlines=h of possible values a) southwest airlines b) alaska airlines c) british airways d) air canada e) air france f) american airlines g) united airlines h) delta airlines passengers=d of possible values a) 4 b) 2 c) 3 d) 1 origin=seattle [context] [user] i'm looking for a returning flight on the 14th of this month. [system] what location do you plan on leaving from, and where are planning to go? is there a specific date you're interested in? [user] check out flights from los angeles, starting today. i'm headed to ny and prefer flying with delta airlines.
State: [state] seating_class=none return_date=14th of this month departure_date=today destination=ny airlines=h passengers=none origin=los angeles

[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 passengers=b of possible values a) 4 b) 1 c) 2 d) 3 airlines=e of possible values a) american airlines b) air france c) alaska airlines d) air canada e) delta airlines f) british airways g) united airlines h) southwest airlines departure_date=9th of this month destination=sf origin=seattle return_date=the 13th [context] [user] i'm looking for a returning flight on the 14th of this month. [system] what location do you plan on leaving from, and where are planning to go? is there a specific date you're interested in? [user] check out flights from los angeles, starting today. i'm headed to ny and prefer flying with delta airlines. [system] there's 1 delta airlines flight taking off at 10:55 pm with a return flight at 7:30 am. tickets cost $213 each. [user] that sounds good.
State: [state] seating_class=none passengers=none airlines=e departure_date=today destination=ny origin=los angeles 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] airlines=b of possible values a) air france b) delta airlines c) united airlines d) alaska airlines e) air canada f) southwest airlines g) american airlines h) british airways seating_class=c of possible values a) first class b) business c) economy d) premium economy destination=sf return_date=the 13th origin=seattle passengers=c of possible values a) 3 b) 2 c) 1 d) 4 departure_date=9th of this month [context] [user] i'm looking for a returning flight on the 14th of this month. [system] what location do you plan on leaving from, and where are planning to go? is there a specific date you're interested in? [user] check out flights from los angeles, starting today. i'm headed to ny and prefer flying with delta airlines. [system] there's 1 delta airlines flight taking off at 10:55 pm with a return flight at 7:30 am. tickets cost $213 each. [user] that sounds good. [system] is there anything else i can help you with? [user] i'm all set, thanks.
State: [state] airlines=b seating_class=none destination=ny return_date=14th of this month origin=los angeles passengers=none departure_date=today