false sms send no reply on email complaint logged

I received a sms on 3/12/15 for 50% discount on purchase of clothing and footwear, swipe card and a number. I went to Edgars in Pta-North mall. I took running shoes and at the till they could not help, the card number was different. then I had to go to the administration section and even there they could not help. They stated that the sms was wrongfully send to me. I emailed edgars on 8/12 and received confirmation that they will contact in 48 hours. I again send a email complaining on 11/12/15 and received the same confirmation. up until now no-one has called or tried to rectify or report on what is going on. I was very disgusted first in the queue to pay and receive the discount, then in the queue to try and sort out while being watched by a lot of customers and staff. It felt like I was '*****ing' from them. Then upon this I received a further 2 smse with more discounts and so on with the same card numbers mentioned.