user
I am planning a trip in Cambridge
system
Great - how can I help you ?
inform((_:search,pricerange,'moderately');(_:search,type,'Hotel'))
user
I am looking for a moderately price place to stay while i 'm there .
request((_:search,area,?);(_:search,type,'Hotel'))
system
Do you have an area you prefer ?
inform((_:search,area,'west');(_:search,type,'Hotel'))
user
I would like to be in the west .
inform((_:result,name,'hobsons house');(_:result,type,'Hotel')) offer((_:booking,type,'Booking'))
system
hobsons house meets your needs . Would you like to make a reservation ?
inform((_:search,day,'wednesday');(_:search,people,'5');(_:search,stay,'5');(_:search,type,'Hotel'))
user
Sounds good .   I need a booking for 5 people , 5 nights , starting wednesday .
system
your booking was successful . 
 Reference number is : 32C66ISH .
_:search pricerange moderately
_:search type Hotel
_:search pricerange moderately
_:search area west
_:search type Hotel
_:search pricerange moderately
_:search area west
_:result name hobsons house
_:result type Hotel
_:system offered _:booking
_:booking type Booking
_:search day wednesday
_:search people 5
_:search stay 5
_:search type Hotel