hello()
system
hello , welcome to the parlance dialogue system ? you can ask for restaurant -s by area , price range or food type . how may i help you ?
request((_:result,food,?);(_:result,type,'Restaurant'))
user
what food is this restaurant
request((_:search,food,?);(_:search,type,'Restaurant'))
system
what kind of food would you like ?
inform((_:search,food,'asian');(_:search,type,'Restaurant'))
user
asian
inform((_:result,food,'asian');(_:result,name,'b star bar');(_:result,type,'Restaurant'))
system
b star bar is a nice place it serves asian food .
user
_:system greeted _:user
_:result food ?
_:result type Restaurant
_:system greeted _:user
_:result food ?
_:result type Restaurant
_:search food asian
_:search type Restaurant
_:system greeted _:user
_:search food asian
_:search type Restaurant
_:result food asian
_:result name b star bar
_:result type Restaurant