Lack integrity, promise but no action

Discovery customer service agents make promises that they cannot keep. I have been try for more than a month now for them to resolve the Discovery healthy food miles allocated properly. I was promised last twice that it will be sorted. Unfortunately they only resolved one month and it was after the 15th thereby robbing from the Miles D-Day benefit. This is now the second month again promises no action. Because it is there fault I wonder whether they will rectify this matter soon and compensate for the Miles D Day benefit I lost for 2 months