inform((_:search,category,'hotel');(_:search,pricerange,'expensive');(_:search,stars,'0');(_:search,type,'Hotel'))
user
I am looking for a place to stay . The hotel should be in the expensive price range and should have a star of 0
canthelp((_:search,category,'hotels');(_:search,type,'Hotel'))
system
Unfortunately I am not finding any hotels matching your criteria , would you like me to look for three star hotels ?
inform((_:search,stars,'0');(_:search,type,'Hotel'))
user
how about a star of 0 ?
canthelp((_:search,type,'Hotel')) reqmore()
system
Sorry , still zero matches . Perhaps some other criteria ?
inform((_:search,category,'hotel');(_:search,has_internet,'yes');(_:search,pricerange,'cheap');(_:search,type,'Hotel'))
user
Ok how about a cheap priced hotel , free wifi would be a plus .
inform((_:result,category,'guesthouse');(_:result,has_internet,'none');(_:result,has_parking,'none');(_:result,name,'El shaddai');(_:result,pricerange,'cheap');(_:result,type,'Hotel'))
system
El shaddai is a cheap guesthouse with free wifi and parking . Does this suit your needs ?
inform((_:search,people,'8');(_:search,type,'Hotel'))
user
Yeah . Can you help me book it please ? It 'll be for 8 people
request((_:booking,day,?);(_:booking,stay,?);(_:booking,type,'Booking'))
system
How many days will you be staying , and what day will you be arriving ?
inform((_:search,day,'sunday');(_:search,people,'8');(_:search,stay,'2');(_:search,type,'Hotel'))
user
2 nights for 8 people starting on sunday .
reqmore() inform((_:booking,ref,'E69CNU30');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : E69CNU30 . 
 Is there anything else I can help you with ?
thank()
user
No thank you , that is all the info I needed . Have a great day !
system
Here is the address for your hotel 41 warkworth street postcode cb11eg .   Have a great day !
_:search category hotel
_:search pricerange expensive
_:search stars 0
_:search type Hotel
_:search category hotel
_:search pricerange expensive
_:system canthelp _:search/4d0a0855
_:search/4d0a0855 category hotels
_:search/4d0a0855 type Hotel
_:search stars 0
_:search type Hotel
_:system canthelp _:search/4d0a0855
_:search/4d0a0855 category hotels
_:search/4d0a0855 type Hotel
_:search stars 0
_:system canthelp _:search/c70bc739
_:search/c70bc739 type Hotel
_:system inquired _:user
_:search category hotel
_:search has_internet yes
_:search pricerange cheap
_:search type Hotel
_:system canthelp _:search/4d0a0855
_:search/4d0a0855 category hotels
_:search/4d0a0855 type Hotel
_:search stars 0
_:system canthelp _:search/c70bc739
_:search/c70bc739 type Hotel
_:system inquired _:user
_:search category hotel
_:search has_internet yes
_:search pricerange cheap
_:result category guesthouse
_:result has_internet none
_:result has_parking none
_:result name El shaddai
_:result pricerange cheap
_:result type Hotel
_:search people 8
_:search type Hotel
_:system canthelp _:search/4d0a0855
_:search/4d0a0855 category hotels
_:search/4d0a0855 type Hotel
_:search stars 0
_:system canthelp _:search/c70bc739
_:search/c70bc739 type Hotel
_:system inquired _:user
_:search category hotel
_:search has_internet yes
_:search pricerange cheap
_:result category guesthouse
_:result has_internet none
_:result has_parking none
_:result name El shaddai
_:result pricerange cheap
_:result type Hotel
_:booking day ?
_:booking stay ?
_:booking type Booking
_:search day sunday
_:search people 8
_:search stay 2
_:search type Hotel
_:system canthelp _:search/4d0a0855
_:search/4d0a0855 category hotels
_:search/4d0a0855 type Hotel
_:search stars 0
_:system canthelp _:search/c70bc739
_:search/c70bc739 type Hotel
_:search category hotel
_:search has_internet yes
_:search pricerange cheap
_:result category guesthouse
_:result has_internet none
_:result has_parking none
_:result name El shaddai
_:result pricerange cheap
_:result type Hotel
_:booking day ?
_:booking stay ?
_:search day sunday
_:search people 8
_:search stay 2
_:search type Hotel
_:system inquired _:user
_:booking ref E69CNU30
_:booking type Booking