Pathetic service from Krispy Kreme Pavillion! Do not go back there!

Pathetic service received a few minutes ago from you Pavilion store. I received a voucher for my birthday advising that I would receive a dozen free doughnuts when purchasing a dozen doughnuts. The voucher was valid for 30 days. Having missed out last year because July has 31 days, I called the store yesterday and spoke to Thandeka who counted 30 days from my birthday and advised that the voucher expired today. So I made the trip from the south coast to Pavillion to get my doughnuts today so that I won't miss out again, only to be told that they didn't have glazed doughnuts. I was also informed that the expiry date is on the voucher which was 12/03, however I was not prepared to travel all the way before the 12th again and asked for an extension at least until the weekend. The manager, Enoch was the most unhelpful person. He said that there is nothing that he can do and then asked if he could serve 1 customer to which I agreed. He went on to serve 3 customers and after making me wait 15 minutes asked if he could find out where the doughnuts were. That should have been the first thing that he did along with an apology. He made it seem like it was my fault that they didn't have stock. I have children waiting for me at home and could not wait any longer. I am absolutely disgusted with Krispy Kreme. Surely extending a voucher by 2 says shouldn't be too hard considering the circumstances. Will not be going bk there, Krispy Kreme can have the doughnuts on me!