inform((_:search,area,'east');(_:search,food,'british');(_:search,type,'Restaurant'))
user
I 'm looking to eat at a place that serves british food in the east part of town .
offer((_:booking,type,'Booking')) inform((_:result,address,'619 Newmarket Road');(_:result,name,'Grafton Hotel Restaurant');(_:result,type,'Restaurant'))
system
I have found the Grafton Hotel Restaurant   at 619 Newmarket Road . Would like a reservation ?
inform((_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Is the restaurant in the expensive price range ?
system
Yes it is in the expensive price range . Do you want the address ?
_:search area east
_:search food british
_:search type Restaurant
_:search area east
_:search food british
_:system offered _:booking
_:booking type Booking
_:result address 619 Newmarket Road
_:result name Grafton Hotel Restaurant
_:result type Restaurant
_:search pricerange expensive
_:search type Restaurant