Bad customer servicer

Really frustrated because every day I have to call the Nedbank call centre and repeat my and nobody can provide me with feedback instate the all tell me about back office <br> <br> I made payment in error and log a query 2015/01/21 and was advised that the query will take 3 working days but tell today am still waiting for the refund I have sent confirmation of payment and bank statement but still <br>