inform((_:search,type,'Hotel'))
user
I need a place to stay out in Cambridge . Can you help me book one ?
request((_:search,area,?);(_:search,pricerange,?);(_:search,type,'Hotel'))
system
I just need more information to find the perfect place for you . What area are you interested in staying in and the price range ?
inform((_:search,area,'east');(_:search,has_parking,'yes');(_:search,stars,'four');(_:search,type,'Hotel'))
user
I need a hotel with free parking and a four star rating . Should also be in the east .
system
I do not have anything there . Any other place you might like or criteria ?
_:search type Hotel
_:search pricerange ?
_:search area east
_:search has_parking yes
_:search stars four
_:search type Hotel