inform((_:search,food,'english');(_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
I 'm looking for an English restaurant that 's moderately priced ..
canthelp((_:search,type,'Restaurant'))
system
There are no restaurants matching your request . May I help you find a different restaurant ?
inform((_:search,food,'chinese');(_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
Okay , then I 'm looking for a restaurant with Chinese food that 's moderately priced .
system
I have four restaurants matching your request , would you like to hear them all or narrow your request ?
_:search food english
_:search pricerange moderately
_:search type Restaurant
_:system canthelp _:search/f123d41b
_:search/f123d41b type Restaurant
_:search food chinese
_:search pricerange moderately
_:search type Restaurant