hello()
system
Hello , welcome to the Cambridge restaurant system? You can ask for restaurants by area , price range or food type . How may I help you?
inform((_:search,food,'italian');(_:search,type,'Restaurant'))
user
italian food
request((_:search,pricerange,?);(_:search,type,'Restaurant'))
system
Would you like something in the cheap , moderate , or expensive price range?
inform((_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
user
moderate
request((_:search,area,?);(_:search,type,'Restaurant'))
system
What part of town do you have in mind?
inform((_:search,area,'north');(_:search,type,'Restaurant'))
user
north
canthelp((_:search,area,'north');(_:search,food,'italian');(_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
system
Sorry there is no moderate restaurant in the north of town serving italian food
thanks() bye()
user
thank you good bye
_:system greeted _:user
_:search food italian
_:search type Restaurant
_:system greeted _:user
_:search food italian
_:search pricerange moderate
_:search type Restaurant
_:system greeted _:user
_:search food italian
_:search pricerange moderate
_:search area north
_:search type Restaurant
_:system greeted _:user
_:search food italian
_:search pricerange moderate
_:search area north
_:search type Restaurant
_:system canthelp _:search/edb79599
_:search/edb79599 area north
_:search/edb79599 food italian
_:search/edb79599 pricerange moderate
_:search/edb79599 type Restaurant
_:user thanked _:system
_:user dismissed _:system