Standard fails me yet again

I am very unhappy with standard bank, I requested a debit order reversal on the 5 August 2015 ,its the 26 august 2015 and I am still waiting for the funds returned to my account. I went into the branch on the 5th to reverse a debit order done wrong by virgin active gym and the person did all the paper work and said the money should be back in 48 hours. After a week of this not being done by the bank I went in again and the consultant who helped said she would call me just to confirm by the end of the day it will be sorted,till now it has not been done and I don't have the leisure time of going into the bank again. I am just thinking of changing banks cause I am really not happy with standard bank service.