Disappointed Meal and No After Sales Service

Yesterday we ordered from Nandos Rondebosch a quarter chicken which came absolutely dry with not a bit of sauce which was our request. Also ordered a full portion of livers. The portion of livers was not even quarter of the normal quantity. Upon complaining to the manager she said I should be complaining to Mr Delivery whom delivered my food. This is not acceptable as Mr D did not prepare the meal but only deluvered