inform((_:search,area,'centre');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I 'm looking for a place to dine . The restaurant should be in the expensive price range and should be in the centre .
request((_:search,food,?);(_:search,type,'Restaurant'))
system
Do you have a preference on the type of food ?
inform((_:search,food,'greek');(_:search,type,'Restaurant'))
user
Yes .   I would like Greek food please .
canthelp((_:search,type,'Restaurant')) inform((_:result,food,'greek');(_:result,type,'Restaurant'))
system
I 'm sorry there 's no matches for greek food .
inform((_:search,food,'british');(_:search,type,'Restaurant'))
user
Okay , can you search for british food instead then ?
inform((_:result,count,'3');(_:result,name,'fitzbillies restaurant');(_:result,type,'Restaurant'))
system
There are 3 restaurants that meet that criteria . May I suggest fitzbillies restaurant ?
inform((_:search,day,'saturday');(_:search,duration,'15:45');(_:search,people,'2');(_:search,type,'Restaurant'))
user
That sounds great . Could you book a table for 2 people at 15:45 on saturday .
reqmore() inform((_:booking,ref,'BSMDJMXH');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes .   Reference number is : BSMDJMXH .   Can I be of further assistance ?
thank()
user
Thank you that 's all I need today .
system
Okay , great . I 'm glad I could help . Have a great day . Goodbye .
_:search area centre
_:search pricerange expensive
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:search food greek
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:system canthelp _:search/33f376e2
_:search/33f376e2 type Restaurant
_:result food greek
_:result type Restaurant
_:search food british
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:system canthelp _:search/33f376e2
_:search/33f376e2 type Restaurant
_:result food greek
_:search food british
_:result count 3
_:result name fitzbillies restaurant
_:result type Restaurant
_:search day saturday
_:search duration 15:45
_:search people 2
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:system canthelp _:search/33f376e2
_:search/33f376e2 type Restaurant
_:result food greek
_:search food british
_:result count 3
_:result name fitzbillies restaurant
_:result type Restaurant
_:search day saturday
_:search duration 15:45
_:search people 2
_:search type Restaurant
_:system inquired _:user
_:booking ref BSMDJMXH
_:booking type Booking