Absa Bank gives you pathetic service and does not want to assist

I made a purchase at Lacoste gateway and I only checked my bank account today and see that I was charged twice for the purchase so I called absa ***** the consultant refused to assist and gave me a number for the authorisation contact center,I called there and options are press 1 if you are not and absa merchant 2 if you are an absa merchant 3 if you are at an absa branch and 4 for code 10 error,rlwhich I don't even know what is,I press 2 says they are experiencing technical problems same for 4 or any number you press.Called the ***** line again a consultant refuses to assist again and says I need to contact authorisations or lodge a dispute...this is the pathetic service you get from absa...absa and their staff are useless!stay away from this pathetic company,I so regret banking with them,but I am willing to change eventhough it's going to inconveinience me.