inform((_:search,area,'centre');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I am looking for an expensive restaurant in the centre .
request((_:search,food,?);(_:search,type,'Restaurant'))
system
What type of food would you like to eat ?
inform((_:search,food,'african');(_:search,type,'Restaurant'))
user
I would love to try some African food .
inform((_:result,address,'100 Mill Road City Centre');(_:result,name,'Bedouin');(_:result,type,'Restaurant')) reqmore()
system
Bedouin would be the perfect place for you to dine . They 're located at 100 Mill Road City Centre . Do you need additional information about them ?
inform((_:search,day,'tuesday');(_:search,duration,'16:00');(_:search,people,'5');(_:search,type,'Restaurant'))
user
No thank you . Let 's go ahead and book a table for Tuesday at 16:00 . There will be 5 people .
reqmore() inform((_:booking,ref,'GH1HBHMC');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : GH1HBHMC . Is there anything else I can help you with today ?
thank()
user
Thanks for the help . Have a good day .
system
Your welcome , have a nice day !
_:search area centre
_:search pricerange expensive
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:search food african
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:search food african
_:result address 100 Mill Road City Centre
_:result name Bedouin
_:result type Restaurant
_:system inquired _:user
_:search day tuesday
_:search duration 16:00
_:search people 5
_:search type Restaurant
_:search area centre
_:search pricerange expensive
_:search food african
_:result address 100 Mill Road City Centre
_:result name Bedouin
_:result type Restaurant
_:search day tuesday
_:search duration 16:00
_:search people 5
_:search type Restaurant
_:system inquired _:user
_:booking ref GH1HBHMC
_:booking type Booking