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 ?
ack() inform((_:search,good_for_meal,'lunch');(_:search,type,'Restaurant'))
user
i'm looking for a restaurant good for lunch that
inform((_:result,good_for_meal,'lunch');(_:result,name,'san wang restaurant');(_:result,type,'Restaurant'))
system
san wang restaurant is a nice place it is good for lunch .
user
_:system greeted _:user
_:search good_for_meal lunch
_:search type Restaurant
_:system greeted _:user
_:search good_for_meal lunch
_:search type Restaurant
_:result good_for_meal lunch
_:result name san wang restaurant
_:result type Restaurant