No response and incompetence

Utter incompetence and not answering customers is a terrible business process. I have been trying to close my account for the last few weeks and am currently on attempt number 3 with no response again. aside from that i have previously requested that my debit order date change but that was not done and debit simply just didnt go off and now i have a finding on my credit profile for a missed debit, Rude demand sms after that and no refusal to acknowledge my close request.