Poor Service from Nedbank

Good day, I would like to highlight the disappointing service received from Nedbank. I made 2 telephonic requests on 29 October 2019, after waiting 10minutes on the line, wanting to close my Credit Card, with no result. I even went into the branch on 30 October 2019 but was told they cannot do it at the branch, can only be done via telephone. I called again from the branch telephone and was told a request has already been opened and the card will be cancelled by 01 November 2019. I called Nedbank this morning and was told by the consultant that the Credit Card is still open and is incurring charges, after me paying the settlement figure on 29 October 2019. Please can someone in management assist urgently as I received no joy or feedback from the consultants. This is really terrible service from Nedbank.