inform((_:search,name,'arbury lodge guesthouse');(_:search,type,'Hotel'))
user
I am looking for a particular hotel . Its name is called arbury lodge guesthouse
offer((_:booking,type,'Booking')) inform((_:result,name,'Arbury Lodge Guesthouse');(_:result,type,'Hotel')) request((_:booking,day,?);(_:booking,type,'Booking'))
system
Would you like me to check availability for Arbury Lodge Guesthouse on a particular date ?
inform((_:search,day,'friday');(_:search,people,'4');(_:search,stay,'2');(_:search,type,'Hotel'))
user
book it for 4 people and 2 nights starting from friday .
canthelp((_:booking,type,'Booking')) request((_:booking,day,?);(_:booking,stay,?);(_:booking,type,'Booking'))
system
I 'm sorry , your booking was unsuccessful . Would you like to book another day or a shorter stay ?
inform((_:search,stay,'1');(_:search,type,'Hotel'))
user
how about 1 night instead ?
inform((_:booking,ref,'NSVESB6H');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : NSVESB6H .
bye()
user
Thank you , that 's all I need . Good bye .
system
It was my pleasure . Thank you for using Cambridge TownInfo centre . Goodbye .
_:search name arbury lodge guesthouse
_:search type Hotel
_:search name arbury lodge guesthouse
_:system offered _:booking
_:result name Arbury Lodge Guesthouse
_:result type Hotel
_:booking day ?
_:booking type Booking
_:search day friday
_:search people 4
_:search stay 2
_:search type Hotel
_:search name arbury lodge guesthouse
_:system offered _:booking
_:result name Arbury Lodge Guesthouse
_:result type Hotel
_:search day friday
_:search people 4
_:system canthelp _:booking/1c548d38
_:booking/1c548d38 type Booking
_:booking day ?
_:booking stay ?
_:booking type Booking
_:search stay 1
_:search type Hotel
_:search name arbury lodge guesthouse
_:system offered _:booking
_:result name Arbury Lodge Guesthouse
_:result type Hotel
_:search day friday
_:search people 4
_:system canthelp _:booking/1c548d38
_:booking/1c548d38 type Booking
_:booking day ?
_:booking stay ?
_:search stay 1
_:search type Hotel
_:booking ref NSVESB6H
_:booking type Booking
_:user dismissed _:system