Buy and get promotion a sham

We purchased 2 a/c's eligible for the buy and get promotion. In order to claim our 2 nights stay per a/c I sent the product codes to the sms line 33230 as per the promotion instructions on 30/12/2015 (deadline 31/12/2015). According to the instructions I was supposed to receive a response sms with a link to fill in my details, upload proof of purchase and claim the reward. This sms never came. I sent the codes to the sms line twice on the 30th and twice on the 31st (8 in total) , to no avail. On 31/12/2015 called customer care *** and was told to call ***. spoke to Ashton (after holding more than 15 mins) - she did not seem knowledgeable about the promotion, put me on hold and then asked if she could call me back. I provided her with all details and my mobile number, but am still waiting for a response. I sent the sms as required prior to the deadline of 31/12/2015 - which has now passed, as a client I tried all I could to claim the reward timeously, have proof of all smses and calls and therefore insist on being given the reward or being compensated for the value thereof. This is unacceptable service!!you cannot entice with promotions and then fail to deliver.