inform((_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
I want a moderately priced restaurant please .
request((_:search,food,?);(_:search,type,'Restaurant'))
system
What kind of food would you like to have ?
inform((_:search,area,'north');(_:search,food,'dontcare');(_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
Any kind of food will be fine as long as it is moderately priced and in the north part of town .
inform((_:result,area,'north');(_:result,food,'Chinese');(_:result,name,'Golden Wok');(_:result,pricerange,'moderately priced');(_:result,type,'Restaurant'))
system
Golden Wok is in the north part of town , and is moderately priced .   It serves Chinese food .
inform((_:search,type,'Restaurant'))
user
Is there any other restaurant ?
inform((_:result,area,'north');(_:result,food,'indian');(_:result,name,'the nirala');(_:result,pricerange,'moderate');(_:result,type,'Restaurant'))
system
There is the nirala , which serves indian food in the moderate price range and the north part of town
request((_:result,phone,?);(_:result,type,'Restaurant'))
user
That sounds good . What is their phone number ?
inform((_:result,phone,'01223 360966');(_:result,type,'Restaurant'))
system
The phone number is 01223 360966 .
thank()
user
Thank you , goodbye
system
You are very welcome . Bye .
_:search pricerange moderately
_:search type Restaurant
_:search area north
_:search food dontcare
_:search pricerange moderately
_:search type Restaurant
_:search area north
_:search food dontcare
_:search pricerange moderately
_:result area north
_:result food Chinese
_:result name Golden Wok
_:result pricerange moderately priced
_:result type Restaurant
_:search type Restaurant
_:search area north
_:search food dontcare
_:search pricerange moderately
_:search type Restaurant
_:result area north
_:result food indian
_:result name the nirala
_:result pricerange moderate
_:result type Restaurant
_:result phone ?
_:search area north
_:search food dontcare
_:search pricerange moderately
_:search type Restaurant
_:result area north
_:result food indian
_:result name the nirala
_:result pricerange moderate
_:result phone 01223 360966
_:result type Restaurant