inform((_:search,area,'centre');(_:search,food,'australian');(_:search,type,'Restaurant'))
user
I want to find out if there are any places to dine that serve Australian food in the centre .
canthelp((_:search,type,'Restaurant')) reqmore()
system
Unfortunately , there are not .   Do you want me to run another search ?
inform((_:search,area,'centre');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
What about an expensive restaurant in the centre ?
select((_:result,food,'African');(_:result,food,'Asian Oriental');(_:result,food,'British');(_:result,food,'European');(_:result,food,'French');(_:result,type,'Restaurant')) inform((_:result,amount,'many');(_:result,type,'Restaurant'))
system
Sure I have many types of cuisine to choose from : African , French , Asian Oriental , British , European .. any preference ?
inform((_:search,food,'british');(_:search,type,'Restaurant'))
user
I 'd be interested in any serving British food .
inform((_:result,address,'midsummer common');(_:result,name,'midsummer house restaurant');(_:result,type,'Restaurant'))
system
Okay , how about midsummer house restaurant located at midsummer common ?
inform((_:search,day,'wednesday');(_:search,duration,'16:00');(_:search,people,'5');(_:search,type,'Restaurant'))
user
Sounds great . Please book me a table for Wednesday at 16:00 for 5 people .
canthelp((_:booking,ref,'W3Y6OCL8');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : W3Y6OCL8 .
inform((_:search,category,'hotel');(_:search,has_internet,'yes');(_:search,has_parking,'yes');(_:search,type,'Hotel'))
user
Thank you , I 'm also looking for a hotel with free parking and wifi . Can you find me one ?
system
Sure i will find you one thanks i lot and welcome again
_:search area centre
_:search food australian
_:search type Restaurant
_:search food australian
_:system canthelp _:search/b7b93b0d
_:search/b7b93b0d type Restaurant
_:system inquired _:user
_:search area centre
_:search pricerange expensive
_:search type Restaurant
_:system canthelp _:search/b7b93b0d
_:search/b7b93b0d type Restaurant
_:system inquired _:user
_:search area centre
_:search pricerange expensive
_:result food African
_:result food Asian Oriental
_:result food British
_:result food European
_:result food French
_:result amount many
_:result type Restaurant
_:search food british
_:search type Restaurant
_:system canthelp _:search/b7b93b0d
_:search/b7b93b0d type Restaurant
_:system inquired _:user
_:search area centre
_:search pricerange expensive
_:result food African
_:result food Asian Oriental
_:result food British
_:result food European
_:result food French
_:result amount many
_:search food british
_:result address midsummer common
_:result name midsummer house restaurant
_:result type Restaurant
_:search day wednesday
_:search duration 16:00
_:search people 5
_:search type Restaurant
_:system canthelp _:search/b7b93b0d
_:search/b7b93b0d type Restaurant
_:system inquired _:user
_:search area centre
_:search pricerange expensive
_:result food African
_:result food Asian Oriental
_:result food British
_:result food European
_:result food French
_:result amount many
_:search food british
_:result address midsummer common
_:result name midsummer house restaurant
_:result type Restaurant
_:search day wednesday
_:search duration 16:00
_:search people 5
_:system canthelp _:booking/edb50fcb
_:booking/edb50fcb ref W3Y6OCL8
_:booking/edb50fcb type Booking
_:search category hotel
_:search has_internet yes
_:search has_parking yes
_:search type Hotel