inform((_:search,area,'centre');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I 'm looking for an expensive restaurant in the centre .
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,amount,'many');(_:result,type,'Restaurant'))
system
I have many . Could we narrow it down a bit by the type of cuisine you may be looking for ?
inform((_:search,day,'monday');(_:search,duration,'15:45');(_:search,food,'indian');(_:search,people,'three');(_:search,type,'Restaurant'))
user
I 'd like to try Indian cuisine . I a table for three   at 15:45 on Monday .
canthelp((_:booking,type,'Booking')) request((_:booking,day,?);(_:booking,duration,?);(_:booking,type,'Booking'))
system
I ca n't seem to find a table that is available at that time . Would you be interested in trying a different day or a different time slot ?
inform((_:search,duration,'14:45');(_:search,type,'Restaurant'))
user
Yes , let 's try for 14:45 instead .
inform((_:booking,ref,'3HVUQFTT');(_:booking,type,'Booking')) reqmore() inform((_:result,name,'Curry Garden');(_:result,type,'Restaurant'))
system
Booking at Curry Garden was successful . The table will be reserved for 15 minutes . Reference number is : 3HVUQFTT . Is there anything else I can help you with ?
thank()
user
No , that was all I needed right now . Thank you , goodbye .
system
You 're welcome , enjoy your meal .
_:search area centre
_:search pricerange expensive
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:result amount many
_:result type Restaurant
_:search day monday
_:search duration 15:45
_:search food indian
_:search people three
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:result amount many
_:result type Restaurant
_:search day monday
_:search food indian
_:search people three
_:system canthelp _:booking/2251c8ae
_:booking/2251c8ae type Booking
_:booking day ?
_:booking duration ?
_:booking type Booking
_:search duration 14:45
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:result amount many
_:search day monday
_:search food indian
_:search people three
_:system canthelp _:booking/2251c8ae
_:booking/2251c8ae type Booking
_:booking day ?
_:booking duration ?
_:search duration 14:45
_:search type Restaurant
_:booking ref 3HVUQFTT
_:booking type Booking
_:system inquired _:user
_:result name Curry Garden
_:result type Restaurant