Money refund

To Whom it may concern, On the 19th of December 2022 i bought a JBL flip 6 portable bt speaker (Rcpt 0654) from your store in IC Menlyn maine (store 6901) While busy with the transaction on the card machine the electricity went off, ant the cashier ( Phuti) said the transaction did not go though. So the transaction was done again for the amount of R 2,504.00. After the second transaction i got a notification that it was deducted twice from my account. They then said it will automatically reverse, but it did not up until today 29 December 2022. So please just process my refund asap