inform((_:search,food,'bistro');(_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
user
I am looking for a restaurant in the moderate price range that serves bistro type food .
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,type,'Restaurant'))
system
I apologize but I was not able to find a moderately priced bistro .   Would you be interested in a different type of restaurant ?
inform((_:search,food,'british');(_:search,type,'Restaurant'))
user
How about one that serves british food then ?
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,amount,'a few');(_:result,food,'British');(_:result,type,'Restaurant'))
system
I have found a few British restaurants in   your price range . Do you want a specific part of town ?
inform((_:search,area,'dontcare');(_:search,day,'thursday');(_:search,duration,'11:30');(_:search,people,'2');(_:search,type,'Restaurant'))
user
No , could you recommend me a place ? I 'm looking for to book a table for 2 on Thursday at 11:30 .
reqmore() inform((_:booking,name,'Oak Bistro');(_:booking,ref,'ANAMHNOW');(_:booking,type,'Booking'))
system
Okay , I 've booked you at the Oak Bistro with reference number ANAMHNOW . May I help with anything else ?
thank()
user
No thank you . It 's perfect . Thank you for your help .
system
Have a great day
_:search food bistro
_:search pricerange moderate
_:search type Restaurant
_:search pricerange moderate
_:system canthelp _:search/04dd33f2
_:search/04dd33f2 type Restaurant
_:search food british
_:search type Restaurant
_:search pricerange moderate
_:system canthelp _:search/04dd33f2
_:search/04dd33f2 type Restaurant
_:search food british
_:result amount a few
_:result food British
_:result type Restaurant
_:search area dontcare
_:search day thursday
_:search duration 11:30
_:search people 2
_:search type Restaurant
_:search pricerange moderate
_:system canthelp _:search/04dd33f2
_:search/04dd33f2 type Restaurant
_:search food british
_:result amount a few
_:result food British
_:result type Restaurant
_:search area dontcare
_:search day thursday
_:search duration 11:30
_:search people 2
_:search type Restaurant
_:system inquired _:user
_:booking name Oak Bistro
_:booking ref ANAMHNOW
_:booking type Booking