NO COMMUNICATION AFTER A PROMISE WAS DONE FOR UPDA

I HAD A COMPLAIN ABOUT MY REWARDS NOT BEING CREDITED TO MY ACCOUNT FOR 3 MONTHS MY ACCOUNTS ARE UP TO DATE BUT IM NOT GETTING ANY PROPER FEEDBACK,I SPOKE TO A LADY BY THE NAME OF DAISY MABUZA SHE ASSURED ME TO UPDATE ME ON WHATS HAPPENING TODAY IS THE 124TH I STILL HAVE NOT RECEIVED ANY FEEDBACK,MY FIRST QUERY WAS ON THE 9TH,I DON'T KNOW CAUSE THIS IS BEYOND BAD SERVICE ESPECIALLY FOR A BANK,I DON'T KNOW HOW I SHOULD RESPOND TO THIS BAD SERVICE NOW.