Over Charge on phone data

<p>We have been over charge on data usage 3 month ago for an amount of over R4300 and have logged a report for someone to resolve this problem with the Ref number 1 ********** 7017 about 2 months ago and still no feedback on the matter.<br />I have just phone for the 20th time with a Ref number 1H4KUQN and the lady that helped me said sorry don’t know when it will be resolved , so I asked her to please send me a mail with her response and she said “Sorry I don’t have email......!” Really where does she work or what type of company does she works for...? Must I stop paying my account and maybe someone will phone me and sort the problem out...?</p>