inform((_:search,food,'vegetarian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I would like an expensive restaurant that serves vegetarian food
request((_:search,food,?);(_:search,pricerange,?);(_:search,type,'Restaurant')) canthelp((_:search,type,'Restaurant')) inform((_:result,food,'vegetarian');(_:result,type,'Restaurant'))
system
There are no expensive vegetarian restaurants . Would you prefer a different cuisine or price range ?
inform((_:search,food,'british');(_:search,type,'Restaurant'))
user
A restaurant that serves british food will be fine .
inform((_:result,food,'British');(_:result,name,'Graffiti');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
Graffiti is an expensive restaurant that serves British food , Would you like their address or phone number ?
inform((_:search,name,'graffiti');(_:search,type,'Restaurant')) request((_:result,phone,?);(_:result,type,'Restaurant'))
user
Could you tell me the phone number of Graffiti ?
inform((_:result,phone,'01223 277977');(_:result,type,'Restaurant'))
system
The phone number is 01223 277977 .
thank()
user
Thank you goodbye .
system
You 're welcome . Goodbye .
_:search food vegetarian
_:search pricerange expensive
_:search type Restaurant
_:search pricerange ?
_:system canthelp _:search/8b748dbb
_:search/8b748dbb type Restaurant
_:result food vegetarian
_:result type Restaurant
_:search food british
_:search type Restaurant
_:search pricerange ?
_:system canthelp _:search/8b748dbb
_:search/8b748dbb type Restaurant
_:search food british
_:result food British
_:result name Graffiti
_:result pricerange expensive
_:result type Restaurant
_:search name graffiti
_:search type Restaurant
_:result phone ?
_:search pricerange ?
_:system canthelp _:search/8b748dbb
_:search/8b748dbb type Restaurant
_:search food british
_:result food British
_:result name Graffiti
_:result pricerange expensive
_:search name graffiti
_:search type Restaurant
_:result phone 01223 277977
_:result type Restaurant