inform((_:search,area,'center');(_:search,food,'modern european');(_:search,type,'Restaurant'))
user
Hello , I 'm looking for a modern european restaurant in the center .
system
Is there a particular price range that you would prefer ?
inform((_:search,pricerange,'moderate');(_:search,type,'Restaurant'))
user
Maybe something in the moderate range .
inform((_:result,address,'Mill Lane');(_:result,address,'Regent Street');(_:result,count,'2');(_:result,name,'de luca cucina');(_:result,name,'riverside brasserie');(_:result,type,'Restaurant'))
system
We have two such restarants , de luca cucina and bar on Regent Street , and riverside brasserie on Mill Lane . Do you have a preference ?
inform((_:search,day,'friday');(_:search,duration,'19:30');(_:search,name,'riverside brasserie');(_:search,people,'2');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
Can you book 2 people at 19:30 on friday for Riverside brasserie . Can I get a reference number ? Thank you .
reqmore() inform((_:booking,ref,'3BADCF9I');(_:booking,type,'Booking'))
system
Sure thing , your reservation number is 3BADCF9I . Anything else I can help with today ?
thank()
user
That actually takes care of all my needs ! Thanks a ton !
system
Great , enjoy your dinner and have a nice day .   Thank you !
_:search area center
_:search food modern european
_:search type Restaurant
_:search area center
_:search food modern european
_:search pricerange moderate
_:search type Restaurant
_:search area center
_:search food modern european
_:search pricerange moderate
_:result address Mill Lane
_:result address Regent Street
_:result count 2
_:result name de luca cucina
_:result name riverside brasserie
_:result type Restaurant
_:search day friday
_:search duration 19:30
_:search name riverside brasserie
_:search people 2
_:search type Restaurant
_:result ref ?
_:search area center
_:search food modern european
_:search pricerange moderate
_:result address Mill Lane
_:result address Regent Street
_:result count 2
_:result name de luca cucina
_:result name riverside brasserie
_:result type Restaurant
_:search day friday
_:search duration 19:30
_:search name riverside brasserie
_:search people 2
_:search type Restaurant
_:result ref ?
_:system inquired _:user
_:booking ref 3BADCF9I
_:booking type Booking