Disgusting staff

It is with such great disappointment that I have been emailing the RCS head office regarding *****ulent activity on my Jet account. I have requested to be contact on multiple occasions to get this issue sorted out however to date none of your *********** staff has called me. You guys continuously charge me for emails, SMSs and calls which I am not receiving. I WOULD LIKE TO GET A CALL WITHIN THE NEXT 7 DAYS TO SORT THIS OUT. Contact numbers *** or ***