inform((_:search,food,'russian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I am looking for an expensive restaurant that serves russian food .
canthelp((_:search,type,'Restaurant')) reqmore()
system
there is no expensive restaurant that serves russian food can I help you with anything else
inform((_:search,food,'british');(_:search,type,'Restaurant'))
user
Yes do you have british type food ?
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,count,'6');(_:result,type,'Restaurant'))
system
Yes , there are 6 options .   Does the part of town matter ?
inform((_:search,area,'dontcare');(_:search,type,'Restaurant'))
user
I do n't care .
inform((_:result,area,'west');(_:result,name,'Graffiti');(_:result,type,'Restaurant')) reqmore()
system
I could recommend Graffiti in the west . Would you like more information ?
request((_:result,phone,?);(_:result,type,'Restaurant'))
user
May I have the phone number ?
reqmore() inform((_:result,phone,'01223 277977');(_:result,type,'Restaurant'))
system
Their phone number is 01223 277977 .   Is there anything else I can help you with ?
thank()
user
Thank you goodbye .
system
You 're welcome . Good bye .
_:search food russian
_:search pricerange expensive
_:search type Restaurant
_:search pricerange expensive
_:system canthelp _:search/30745b09
_:search/30745b09 type Restaurant
_:system inquired _:user
_:search food british
_:search type Restaurant
_:search pricerange expensive
_:system canthelp _:search/30745b09
_:search/30745b09 type Restaurant
_:system inquired _:user
_:search food british
_:result count 6
_:result type Restaurant
_:search area dontcare
_:search type Restaurant
_:search pricerange expensive
_:system canthelp _:search/30745b09
_:search/30745b09 type Restaurant
_:search food british
_:result count 6
_:search area dontcare
_:search type Restaurant
_:result area west
_:result name Graffiti
_:result type Restaurant
_:system inquired _:user
_:result phone ?
_:search pricerange expensive
_:system canthelp _:search/30745b09
_:search/30745b09 type Restaurant
_:search food british
_:result count 6
_:search area dontcare
_:search type Restaurant
_:result area west
_:result name Graffiti
_:system inquired _:user
_:result phone 01223 277977
_:result type Restaurant