inform((_:search,name,'city centre north b and b');(_:search,type,'Hotel'))
user
I am looking for a particular hotel . Its name is called city centre north b and b
offer((_:booking,type,'Booking')) inform((_:result,area,'north');(_:result,category,'guesthouse');(_:result,name,'City centre north b and b');(_:result,pricerange,'cheap');(_:result,type,'Hotel'))
system
City centre north b and b is a guesthouse in the north and is in the cheap price range . Would you like me to make you a reservation ?
inform((_:search,day,'wednesday');(_:search,people,'eight');(_:search,stay,'three');(_:search,type,'Hotel'))
user
Yes please .   I need reservations for eight people starting this Wednesday and we need it for three nights .
canthelp((_:booking,type,'Booking')) request((_:booking,day,?);(_:booking,stay,?);(_:booking,type,'Booking'))
system
I 'm sorry . The booking was unsuccessful . Do you want to change the number of nights or the starting day ?
inform((_:search,day,'saturday');(_:search,type,'Hotel'))
user
Could you start the booking on Saturday ?
inform((_:booking,ref,'KA34QUWB');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : KA34QUWB .
thank()
user
That 's all I need , thank you !
system
Thank you goodbye
_:search name city centre north b and b
_:search type Hotel
_:search name city centre north b and b
_:system offered _:booking
_:booking type Booking
_:result area north
_:result category guesthouse
_:result name City centre north b and b
_:result pricerange cheap
_:result type Hotel
_:search day wednesday
_:search people eight
_:search stay three
_:search type Hotel
_:search name city centre north b and b
_:system offered _:booking
_:result area north
_:result category guesthouse
_:result name City centre north b and b
_:result pricerange cheap
_:result type Hotel
_:search people eight
_:search stay three
_:system canthelp _:booking/1de7e825
_:booking/1de7e825 type Booking
_:booking day ?
_:booking stay ?
_:booking type Booking
_:search day saturday
_:search type Hotel
_:search name city centre north b and b
_:system offered _:booking
_:result area north
_:result category guesthouse
_:result name City centre north b and b
_:result pricerange cheap
_:result type Hotel
_:search people eight
_:search stay three
_:system canthelp _:booking/1de7e825
_:booking/1de7e825 type Booking
_:booking day ?
_:booking stay ?
_:search day saturday
_:search type Hotel
_:booking ref KA34QUWB
_:booking type Booking