inform((_:search,area,'south');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I 'd like an expensive restaurant in the south part of town .
request((_:search,food,?);(_:search,type,'Restaurant'))
system
Do you have any particular food type in mind ?
inform((_:search,food,'mexican');(_:search,type,'Restaurant'))
user
Mexican
inform((_:result,area,'south');(_:result,food,'mexican');(_:result,name,'chiquito restaurant bar');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
chiquito restaurant bar is an expensive mexican restaurant in the south area .
request((_:result,phone,?);(_:result,postcode,?);(_:result,type,'Restaurant'))
user
What is the phone number and postcode ?
inform((_:result,phone,'is 01223 400170');(_:result,postcode,'C B 1 7 D Y');(_:result,type,'Restaurant'))
system
The postcode is C B 1 7 D Y and the phone number is 01223 400170 .
thank()
user
Thank you !   That is all I needed to know .   Good night .
system
Goodbye .
_:search area south
_:search pricerange expensive
_:search type Restaurant
_:search area south
_:search pricerange expensive
_:search food mexican
_:search type Restaurant
_:search area south
_:search pricerange expensive
_:search food mexican
_:search type Restaurant
_:result area south
_:result food mexican
_:result name chiquito restaurant bar
_:result pricerange expensive
_:result type Restaurant
_:result phone ?
_:result postcode ?
_:search area south
_:search pricerange expensive
_:search food mexican
_:search type Restaurant
_:result area south
_:result food mexican
_:result name chiquito restaurant bar
_:result pricerange expensive
_:result phone is 01223 400170
_:result postcode C B 1 7 D Y
_:result type Restaurant