still waiting for my refund

After posting a complaint on hellopeter the manger Vernon called me and assured me that this will be resolved the next day<br> he asked a agent to call me back and she told me she will make sure this refund is paid by end of week last week and she will call me back after speaking to Vernon <br> till today no refund instead interest charges from FNB<br> CAN I have this resolved by a capable person pls