inform((_:search,area,'south');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I 'd like to find an expensive place to eat in the south .
select((_:result,food,'Chinese');(_:result,food,'Indian');(_:result,food,'Italian');(_:result,food,'Mexican');(_:result,type,'Restaurant')) inform((_:result,amount,'several');(_:result,type,'Restaurant'))
system
We have several available .   Would you prefer Chinese , Indian , Italian or Mexican ?
inform((_:search,food,'chinese');(_:search,type,'Restaurant')) request((_:result,phone,?);(_:result,postcode,?);(_:result,type,'Restaurant'))
user
I really do n't have a preference . How about Chinese ? I will need their phone number and postcode please .
reqmore() inform((_:result,name,'Peking Restaurant');(_:result,phone,'01223354755');(_:result,postcode,'cb28nx');(_:result,type,'Restaurant'))
system
Sure , I think you 'll like Peking Restaurant . Their postcode is cb28nx and their phone number is 01223354755 . May I help with anything else ?
thank()
user
No thank you , that is all I needed .
system
Thank you and please check back with us for your future travel needs .
_:search area south
_:search pricerange expensive
_:search type Restaurant
_:search area south
_:search pricerange expensive
_:result food Chinese
_:result food Indian
_:result food Italian
_:result food Mexican
_:result amount several
_:result type Restaurant
_:search food chinese
_:search type Restaurant
_:result phone ?
_:result postcode ?
_:search area south
_:search pricerange expensive
_:result food Chinese
_:result food Indian
_:result food Italian
_:result food Mexican
_:result amount several
_:search food chinese
_:search type Restaurant
_:system inquired _:user
_:result name Peking Restaurant
_:result phone 01223354755
_:result postcode cb28nx
_:result type Restaurant