inform((_:search,area,'east');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I 'd like to find an east side restaurant that is expensive .
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,count,'5');(_:result,type,'Restaurant'))
system
There are five restaurants matching your request . What kind of food would you like ?
inform((_:search,food,'chinese');(_:search,type,'Restaurant'))
user
Chinese food sound good .
inform((_:result,area,'east');(_:result,food,'chinese');(_:result,name,'yu garden');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
yu garden serves chinese food , is in the east part of town and is in the expensive price range .   Would you like their location ?
request((_:result,address,?);(_:result,postcode,?);(_:result,type,'Restaurant'))
user
What is their address and postcode ?
inform((_:result,address,'529 Newmarket Road Fen Ditton');(_:result,name,'yu garden');(_:result,phone,'01223 248882');(_:result,postcode,'8 P.A');(_:result,postcode,'C.B 5');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
yu garden chinese east expensive 01223 248882 529 Newmarket Road Fen Ditton C.B 5 , 8 P.A
thank()
user
Thank you goodbye .
system
thank you   and good bye
_:search area east
_:search pricerange expensive
_:search type Restaurant
_:search area east
_:search pricerange expensive
_:result count 5
_:result type Restaurant
_:search food chinese
_:search type Restaurant
_:search area east
_:search pricerange expensive
_:result count 5
_:search food chinese
_:search type Restaurant
_:result area east
_:result food chinese
_:result name yu garden
_:result pricerange expensive
_:result type Restaurant
_:result address ?
_:result postcode ?
_:search area east
_:search pricerange expensive
_:result count 5
_:search food chinese
_:search type Restaurant
_:result area east
_:result food chinese
_:result address 529 Newmarket Road Fen Ditton
_:result name yu garden
_:result phone 01223 248882
_:result postcode 8 P.A
_:result postcode C.B 5
_:result pricerange expensive
_:result type Restaurant