inform((_:search,area,'west');(_:search,type,'Restaurant'))
user
I want a restaurant on the west end of town .
request((_:search,food,?);(_:search,type,'Restaurant')) thank()
system
OK .   Are you looking for any particular type of food ?
inform((_:search,food,'dontcare');(_:search,type,'Restaurant'))
user
I do n't care .
request((_:search,pricerange,?);(_:search,type,'Restaurant'))
system
Are you looking for a particular price range ?
inform((_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
A moderately priced restaurant would be good .
request((_:search,food,?);(_:search,type,'Restaurant'))
system
Do you have a cuisine preference ?
user
No preference
inform((_:result,area,'west');(_:result,food,'Italian');(_:result,name,'Prezzo');(_:result,pricerange,'moderately priced');(_:result,type,'Restaurant'))
system
How about Prezzo ?   They serve moderately priced Italian food on the west side of town .
request((_:result,address,?);(_:result,phone,?);(_:result,type,'Restaurant'))
user
Can I please have their address and phone number ?
inform((_:result,address,'21 - 24 Northampton Road');(_:result,name,"prezzo 's");(_:result,phone,'01799 521260');(_:result,type,'Restaurant'))
system
prezzo 's address is 21 - 24 Northampton Road , their phone number is 01799 521260 .
thank()
user
Thank you , goodbye
system
Thank you for using our system . Good Bye .
_:search area west
_:search type Restaurant
_:search area west
_:search food dontcare
_:search type Restaurant
_:search area west
_:search food dontcare
_:search pricerange moderately
_:search type Restaurant
_:search area west
_:search pricerange moderately
_:search food ?
_:search type Restaurant
_:search area west
_:search pricerange moderately
_:search food ?
_:search type Restaurant
_:result area west
_:result food Italian
_:result name Prezzo
_:result pricerange moderately priced
_:result type Restaurant
_:result address ?
_:result phone ?
_:search area west
_:search pricerange moderately
_:search food ?
_:search type Restaurant
_:result area west
_:result food Italian
_:result pricerange moderately priced
_:result address 21 - 24 Northampton Road
_:result name prezzo 's
_:result phone 01799 521260
_:result type Restaurant