inform((_:search,area,'west');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I am   looking for a restaurant . The restaurant should be in the west and should be in the expensive price range
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,amount,'nine');(_:result,type,'Restaurant'))
system
Yes , I have nine possibilities fitting those parameters . Is there a specific type of food you 're looking for ?
inform((_:search,day,'saturday');(_:search,duration,'13:00');(_:search,food,"do n't care");(_:search,people,'5');(_:search,type,'Restaurant'))
user
I do n't care , I   want to book a table for 5 people at 13:00 on saturday .
inform((_:booking,ref,'3AYRGABE');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : 3AYRGABE .
thank()
user
Thanks for your help .
thank()
system
Great ! Have a nice day !
thank()
user
Thank you for your help
system
You 're welcome ! Bye now !
_:search area west
_:search pricerange expensive
_:search type Restaurant
_:search area west
_:search pricerange expensive
_:result amount nine
_:result type Restaurant
_:search day saturday
_:search duration 13:00
_:search food do n't care
_:search people 5
_:search type Restaurant
_:search area west
_:search pricerange expensive
_:result amount nine
_:result type Restaurant
_:search day saturday
_:search duration 13:00
_:search food do n't care
_:search people 5
_:search type Restaurant
_:booking ref 3AYRGABE
_:booking type Booking
_:search area west
_:search pricerange expensive
_:result amount nine
_:result type Restaurant
_:search day saturday
_:search duration 13:00
_:search food do n't care
_:search people 5
_:search type Restaurant
_:booking ref 3AYRGABE
_:booking type Booking