ABSOLUTE UNPROFESSIONALISM + STUPIDY AND INEFFICIENCY

Good Day

I am writing this email hoping someone can help me, on the 27th April 2018 I was billed twice for one purchase amounting to R257,40 at Steers Shell Ultracity South bound. I have been in contact with the customers care call centre on two account on the 28th of May 2018 and on the 21st of May 2018 to get feedback on how they are going to solve this issue but nothing was done, since imI wad initially told the store manager would get back to me within a day or two. So on the 22nd May 2018 I called the store directly to try and resolve this matter an once again I was given the run, when I requested to speak to the manager. Eventually she got back to me, I asjed wgen should I expect a refund she told me the store us closed for renovations so they can only process my refund on in june. Is this a reasonably timeframe? What steps can I take if any?

Your help will be grately appreciated

Thank You

Lethukuthula Masondo