Vodacom

Good morning , I would like to ask vodacom how far is my case, lately when i sand Kayleen Papiah email she doesn't respond, all asked is for vodacom to deduct R285 not R339 into my accounts, the R339 they deducted from January I need the difference i know they said they gonna refund me but seems like i am not getting any help,all i want is for them to deduct R285 ,I just recived invoice now that i am gonna pay R339 for what because i didn't get any refund