Bad services

I was at Sportsecne wynberg branch in may month to return a pair of sneakers but was told if I had come on the first of may they could have helped me even thou we were still in may month when I was at there store to return this broken sneakers witch I could not have change due to the lockdown but yet the two guys whom I spoked to was so rude to me telling me jy moet die eerste may gekom het, but it still was in may month that I was there and as if they notified credit or cash customers to when they will be open affter Lockdown or even during lockdown and that don't even state anything about lockdown at the back of the slip witch the other guy told me that I should read so now it June month again so by the time thy feel like replying to my post they would tell me that now thy cant help me to change the sneakers because it's not may month but June month again so now again I wonder who's fault that would be mine or there's now I just want to know if anyone is gonna attend to this matter or am I just going to pay for sneakers that did not even last 3 moths witch the stitches just came lose and broke and had to waist my money by buying it at Sportsecne because now they won't exchange it and there staff just want to be rude and unprofessional toward there customers