inform((_:search,area,'north');(_:search,food,'australian');(_:search,type,'Restaurant'))
user
Can you recommend a good restaurant in the north part of town that serves australian food ?
canthelp((_:search,type,'Restaurant'))
system
There are not restaurants matching your request .   May I help you find a different restaurant ?
inform((_:search,food,'indian');(_:search,type,'Restaurant'))
user
How about Indian food instead ?
request((_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,area,'north');(_:result,count,'2');(_:result,food,'Indian');(_:result,type,'Restaurant'))
system
There are two Indian restaurants in the north part of town . What price range are you looking for ?
request((_:result,pricerange,?);(_:result,type,'Restaurant'))
user
What are the price ranges of the two available restaurants ?
inform((_:result,pricerange,'cheap');(_:result,pricerange,'moderately price');(_:result,type,'Restaurant'))
system
One of them is cheap and the other is moderately price .
inform((_:search,pricerange,'moderately');(_:search,type,'Restaurant')) request((_:result,address,?);(_:result,pricerange,?);(_:result,type,'Restaurant'))
user
Tell me the address of the moderately priced one .
inform((_:result,address,'7 Milton Street Chesterton');(_:result,name,'Nirala');(_:result,type,'Restaurant'))
system
The Nirala is located at 7 Milton Street Chesterton .
request((_:result,phone,?);(_:result,type,'Restaurant'))
user
What is the phone number ?
reqmore() inform((_:result,name,'Nirala');(_:result,phone,'01223 360966');(_:result,type,'Restaurant'))
system
The phone number for the Nirala is 01223 360966 .   Is there anything else I can help you with ?
thank()
user
No thank you , goodbye
system
You 're welcome .   Good bye .
_:search area north
_:search food australian
_:search type Restaurant
_:search area north
_:system canthelp _:search/2513159f
_:search/2513159f type Restaurant
_:search food indian
_:search type Restaurant
_:search area north
_:system canthelp _:search/2513159f
_:search/2513159f type Restaurant
_:search food indian
_:search pricerange ?
_:search type Restaurant
_:result area north
_:result count 2
_:result food Indian
_:result type Restaurant
_:result pricerange ?
_:search area north
_:system canthelp _:search/2513159f
_:search/2513159f type Restaurant
_:search food indian
_:result area north
_:result count 2
_:result food Indian
_:result pricerange cheap
_:result pricerange moderately price
_:result type Restaurant
_:search pricerange moderately
_:search type Restaurant
_:result address ?
_:result pricerange ?
_:search area north
_:system canthelp _:search/2513159f
_:search/2513159f type Restaurant
_:search food indian
_:result area north
_:result count 2
_:result food Indian
_:result pricerange cheap
_:result pricerange moderately price
_:search pricerange moderately
_:search type Restaurant
_:result pricerange ?
_:result address 7 Milton Street Chesterton
_:result name Nirala
_:result type Restaurant
_:result phone ?
_:search area north
_:system canthelp _:search/2513159f
_:search/2513159f type Restaurant
_:search food indian
_:result area north
_:result count 2
_:result food Indian
_:result pricerange cheap
_:result pricerange moderately price
_:search pricerange moderately
_:search type Restaurant
_:result pricerange ?
_:result address 7 Milton Street Chesterton
_:system inquired _:user
_:result name Nirala
_:result phone 01223 360966
_:result type Restaurant