inform((_:search,area,'northern');(_:search,category,'hotel');(_:search,type,'Hotel'))
user
Can you find me a hotel in the northern area that is n't to cheap or expensive ?
select((_:result,name,'ashley hotel');(_:result,name,'lovell lodge');(_:result,type,'Hotel'))
system
I have the ashley hotel and lovell lodge . Which one would you like ?
inform((_:search,has_parking,'yes');(_:search,name,'ashley hotel');(_:search,type,'Hotel'))
user
The Ashley Hotel sounds good . Does it have free parking ?
inform((_:result,has_parking,'none');(_:result,name,'Ashley hotel');(_:result,type,'Hotel'))
system
Ashley hotel does have free parking
inform((_:search,day,'sunday');(_:search,people,'one');(_:search,stay,'three');(_:search,type,'Hotel'))
user
Thanks . Coulc you book a room for me , just one person . It will be three nights starting Sunday .
inform((_:booking,ref,'LCFYMN3F');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : LCFYMN3F
thank()
user
Great , thank you for all your help .
reqmore()
system
Is there anything else I can help you with ?
thank()
user
No , thank you for your service .
system
You are welcome , I 'm always glad to help . Goodbye now .
_:search area northern
_:search category hotel
_:search type Hotel
_:search area northern
_:search category hotel
_:result name ashley hotel
_:result name lovell lodge
_:result type Hotel
_:search has_parking yes
_:search name ashley hotel
_:search type Hotel
_:search area northern
_:search category hotel
_:search has_parking yes
_:search name ashley hotel
_:result has_parking none
_:result name Ashley hotel
_:result type Hotel
_:search day sunday
_:search people one
_:search stay three
_:search type Hotel
_:search area northern
_:search category hotel
_:search has_parking yes
_:search name ashley hotel
_:result has_parking none
_:result name Ashley hotel
_:result type Hotel
_:search day sunday
_:search people one
_:search stay three
_:search type Hotel
_:booking ref LCFYMN3F
_:booking type Booking
_:search area northern
_:search category hotel
_:search has_parking yes
_:search name ashley hotel
_:result has_parking none
_:result name Ashley hotel
_:result type Hotel
_:search day sunday
_:search people one
_:search stay three
_:search type Hotel
_:booking ref LCFYMN3F
_:booking type Booking
_:system inquired _:user