inform((_:search,area,'centre');(_:search,food,'mediterranean');(_:search,type,'Restaurant'))
user
I 'm looking for a place to dine . The restaurant should be in the centre and should serve mediterranean food .
inform((_:result,address,'2 Rose Crescent City Centre');(_:result,name,'Gardenia');(_:result,pricerange,'not expensive');(_:result,type,'Restaurant'))
system
The Gardenia restaurant is a great choice . It is not expensive , and meets your other criteria . The address is 2 Rose Crescent City Centre
inform((_:search,day,'sunday');(_:search,people,'4');(_:search,type,'Restaurant'))
user
Sounds great !   Can you help me book a reservation for 4 people on Sunday ?
request((_:booking,duration,?);(_:booking,type,'Booking'))
system
What time would you like the reservation to be for ?
inform((_:search,duration,'16:15');(_:search,type,'Restaurant'))
user
16:15 , please , thank you .
reqmore() inform((_:booking,ref,'WBB6XXRP');(_:booking,type,'Booking'))
system
You are booked , with ref # WBB6XXRP . Anything else for you today ?
thank()
user
No that is all . Thank you for the help .
system
You 're welcome and thanks for using our help desk . Goodbye .
_:search area centre
_:search food mediterranean
_:search type Restaurant
_:search area centre
_:search food mediterranean
_:result address 2 Rose Crescent City Centre
_:result name Gardenia
_:result pricerange not expensive
_:result type Restaurant
_:search day sunday
_:search people 4
_:search type Restaurant
_:search area centre
_:search food mediterranean
_:result address 2 Rose Crescent City Centre
_:result name Gardenia
_:result pricerange not expensive
_:result type Restaurant
_:search day sunday
_:search people 4
_:booking duration ?
_:booking type Booking
_:search duration 16:15
_:search type Restaurant
_:search area centre
_:search food mediterranean
_:result address 2 Rose Crescent City Centre
_:result name Gardenia
_:result pricerange not expensive
_:result type Restaurant
_:search day sunday
_:search people 4
_:booking duration ?
_:search duration 16:15
_:search type Restaurant
_:system inquired _:user
_:booking ref WBB6XXRP
_:booking type Booking