inform((_:search,food,'steakhouse');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Can you find me an expensive restaurant that serves steakhouse food ?
canthelp((_:search,type,'Restaurant')) reqmore()
system
unfortunately there are no restaurants that suits you . do you want to try something else ?
inform((_:search,food,'british');(_:search,type,'Restaurant'))
user
Yes . How about a restaurant serving british food ?
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,amount,'several');(_:result,food,'British');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
I 've found several British restaurants in the expensive price range . Does the area of town matter to you ?
inform((_:search,area,'dontcare');(_:search,type,'Restaurant'))
user
No it does n't matter
inform((_:result,area,'center');(_:result,food,'British');(_:result,name,'Fitzbillies');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
Fitzbillies restaurant serves British food , is located in the center of town and is in the expensive price range .
request((_:result,phone,?);(_:result,type,'Restaurant'))
user
May I have the phone number , please ?
reqmore() inform((_:result,phone,'01223 352500');(_:result,type,'Restaurant'))
system
Certainly . The number is 01223 352500 . Can I assist you any further ?
request((_:result,address,?);(_:result,type,'Restaurant'))
user
Can I have the address please ?
reqmore() inform((_:result,address,'51 Trumpington Street City Centre');(_:result,name,'fitzbillies restaurant');(_:result,type,'Restaurant'))
system
fitzbillies restaurant is located at 51 Trumpington Street City Centre .   Can I help you with anything else ?
thank()
user
No , that was it . Thank you .
system
Thanks , have a nice day .
_:search food steakhouse
_:search pricerange expensive
_:search type Restaurant
_:search pricerange expensive
_:system canthelp _:search/8f0cf539
_:search/8f0cf539 type Restaurant
_:system inquired _:user
_:search food british
_:search type Restaurant
_:search pricerange expensive
_:system canthelp _:search/8f0cf539
_:search/8f0cf539 type Restaurant
_:system inquired _:user
_:search food british
_:result amount several
_:result food British
_:result pricerange expensive
_:result type Restaurant
_:search area dontcare
_:search type Restaurant
_:search pricerange expensive
_:system canthelp _:search/8f0cf539
_:search/8f0cf539 type Restaurant
_:system inquired _:user
_:search food british
_:result amount several
_:search area dontcare
_:search type Restaurant
_:result area center
_:result food British
_:result name Fitzbillies
_:result pricerange expensive
_:result type Restaurant
_:result phone ?
_:search pricerange expensive
_:system canthelp _:search/8f0cf539
_:search/8f0cf539 type Restaurant
_:search food british
_:result amount several
_:search area dontcare
_:search type Restaurant
_:result area center
_:result food British
_:result name Fitzbillies
_:result pricerange expensive
_:system inquired _:user
_:result phone 01223 352500
_:result type Restaurant
_:result address ?
_:search pricerange expensive
_:system canthelp _:search/8f0cf539
_:search/8f0cf539 type Restaurant
_:search food british
_:result amount several
_:search area dontcare
_:search type Restaurant
_:result area center
_:result food British
_:result pricerange expensive
_:result phone 01223 352500
_:system inquired _:user
_:result address 51 Trumpington Street City Centre
_:result name fitzbillies restaurant
_:result type Restaurant