Refund not processed !

Frustrated!…I called Vodacom daily asking about my refund.Everyday I am getting different information from different consultants.._I am not getting help !..I over paid on my account but they telling me I must wait 7 to 14 days ..They telling me they logged a complaint when I call they following day they haven’t done so !..I am tired of Vodacom once my contract ends I will never refer a person to Vodacom they don’t put their clients first and they not taking complains and customer satisfaction seriously