Pathetic service

I was ****** on sunday 17th september ,my phone was taken ,I called in same sunday to have my sim blocked and my phone blaclisted,the consultant did everything for me and told me to call in to do a sim swop once ready,I called in on Tuesday 19th todo a sim swop ad was told I could not be assisted ,I had to visist a vodacom shop to be assisted,I requested to speak to a manager and a Letti from johannesburg office came to the line and insisted that they would not be assisting me when asking the reason she said my number wa 'flagged' because someone had attempted to do a sim swop on my number in August ,I asked why I was not informed and she could not provide me with an answer,this for me causes great concern,how safe is my information ?why am I inconvenienced for your failure to do your job ,I have been using this number for more than 7 years,I work 12 hours a week when do I find time to waste visiting a vodacom shop for something I was told to call for and having been calling for previously without incident ,my cellphone number is linked to all my accounts and banking facilities,this situation is costing me money that you will not reimburse.the number in question is ********** 283 ,I demand answers and solution to this or I am going straight to the communications ombudsman.