Pathetic customer service again.

Good day, I purchased a gift card sometime ago and tried to redeem it on friday at the Pavillion branch. I was informed that there no money in the gift card. The supervisor called headoffice and was advised that they had zero'd the balance and the card has expired. The correct date of expiry is in May which is a month away. There was much back and forth and after 2 hours I was advised that it was sorted. I left as I had to get back to work. I went back today only to find that nothing as been resolved and the card balance still shows as zero. The amount that was supposed to be on the card is R2000.00. How is it possible that they can just arbitrarily zero the balance on the card and take forever to resolve. It have wasted time and money and am no way closer to a resolution. This is truly pathetic service.