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 ?
inform((_:search,pricerange,'cheap');(_:search,type,'Restaurant')) bye()
user
i want to find a cheap restaurant that is good bye
bye()
system
goodbye
user
_:system greeted _:user
_:search pricerange cheap
_:search type Restaurant
_:user dismissed _:system
_:system greeted _:user
_:search pricerange cheap
_:search type Restaurant
_:user dismissed _:system
_:system dismissed _:user