inform((_:search,food,'malaysian');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
I am looking for a restaurant that serves Malaysian food and is in the cheap price range .
canthelp((_:search,type,'Restaurant')) reqmore()
system
No matches found for cheap Malaysian food . Would you like something else ?
inform((_:search,food,'vietnamese');(_:search,type,'Restaurant'))
user
How about vietnamese food , please ?
inform((_:result,food,'Vietnamese');(_:result,name,'Thanh binh');(_:result,pricerange,'cheap');(_:result,type,'Restaurant'))
system
Thanh binh is a nice restaurant that serves Vietnamese food and is in the cheap price range .
request((_:result,phone,?);(_:result,type,'Restaurant'))
user
That sounds great !   May I have their phone number please ?
inform((_:result,name,"thanh binh 's");(_:result,phone,'01223 362456');(_:result,type,'Restaurant'))
system
thanh binh 's phone number is 01223 362456
thank()
user
Okay , thank you for your help !
system
Thank you for using the Cambridge restaurant system , please call again .
_:search food malaysian
_:search pricerange cheap
_:search type Restaurant
_:search pricerange cheap
_:system canthelp _:search/e295149d
_:search/e295149d type Restaurant
_:system inquired _:user
_:search food vietnamese
_:search type Restaurant
_:search pricerange cheap
_:system canthelp _:search/e295149d
_:search/e295149d type Restaurant
_:system inquired _:user
_:search food vietnamese
_:search type Restaurant
_:result food Vietnamese
_:result name Thanh binh
_:result pricerange cheap
_:result type Restaurant
_:result phone ?
_:search pricerange cheap
_:system canthelp _:search/e295149d
_:search/e295149d type Restaurant
_:system inquired _:user
_:search food vietnamese
_:search type Restaurant
_:result food Vietnamese
_:result pricerange cheap
_:result name thanh binh 's
_:result phone 01223 362456
_:result type Restaurant