After Denise contact me we received no credit

WE HAD OUR VEHICLE ****** AND WE STILL BEEN BILLED.AFTER REPORTING IT ON HELO PETER DENISE CONTACTED ME BUT UP TO DATE NO CREDIT HAVE BEEN PASSED AS WE CANCELLED ALL OUR VEHICLE WHEN OUR ONE VEHICLE GOT ****** AND WE RECEIVED BAD SERVICES .WE KEEP ON GETTING THE BILLS.ITS AMAZING AND I AM AM LOST OF WORDS FOR NETSTAR