inform((_:search,area,'north');(_:search,food,'christmas');(_:search,type,'Restaurant'))
user
I want to find a restaurant in the north part of town that serves christmas food .
canthelp((_:search,type,'Restaurant'))
system
There are no restaurants that seve Christmas food .
inform((_:search,food,'asian oriental');(_:search,type,'Restaurant'))
user
How about asian oriental food ?
inform((_:result,area,'north');(_:result,food,'Asian oriental');(_:result,name,'Saigon city');(_:result,type,'Restaurant'))
system
Saigon city serves Asian oriental food as is in the north part of town .
request((_:result,address,?);(_:result,phone,?);(_:result,type,'Restaurant'))
user
That sounds like it will work .   May I have the address and phone number , please ?
inform((_:result,address,'169 High Street Chesterton');(_:result,name,'Saigon City');(_:result,phone,'01223 356555');(_:result,type,'Restaurant'))
system
Saigon City has an address of 169 High Street Chesterton , their phone number is 01223 356555 .
thank()
user
Thank you , goodbye .
system
Thank you for using the Cambridge Restaurant Phone System . Enjoy your meal !
_:search area north
_:search food christmas
_:search type Restaurant
_:search area north
_:system canthelp _:search/e3ee6ab4
_:search/e3ee6ab4 type Restaurant
_:search food asian oriental
_:search type Restaurant
_:search area north
_:system canthelp _:search/e3ee6ab4
_:search/e3ee6ab4 type Restaurant
_:search food asian oriental
_:search type Restaurant
_:result area north
_:result food Asian oriental
_:result name Saigon city
_:result type Restaurant
_:result address ?
_:result phone ?
_:search area north
_:system canthelp _:search/e3ee6ab4
_:search/e3ee6ab4 type Restaurant
_:search food asian oriental
_:search type Restaurant
_:result area north
_:result food Asian oriental
_:result address 169 High Street Chesterton
_:result name Saigon City
_:result phone 01223 356555
_:result type Restaurant