Size 1 tekkie airforce white with pink nike

I bought 2 pairs of air force tekkie size 11 & size 13 total amount of 2200 at Waterfront in Cape Town on the 4 December 2021. Next day I called the store because size 13 was too small for my baby, I spoke to anathi at parow branch in cape Town she told me to go to Century city they have size 1 on the display. OK I asked her that they must kept it for me.. In the afternoon I went there to fetch the tekkie I didn't get tekkie I was told that they don't have it another story I was dissaponted fine i ask they must check for me where is the other store they have it I was told none of the stores in cape Town they have size 1, so I was told I cannot get the cash refund.. On Tuesday 8 December I called Johannesburg head office of xkids I spoke to shinezz I explain the situation then she told me she will speak to area manager about this so that he called me.. But before she hung up the call she said noo she can't deal with this I asked her are you talking to me she said no I told her that she is rude to say that to me.. Same day on that I called again it was 3:30 pm spoke to shinezz she told me she told Mr mkhosi who is the manager to called me back, so then I did not received any call from the manager. Shinezz call and ask me is Mr mkhosi called me yet? I said no,, she told that Mr mkhosi called me and I didnt answer my phone. So she said checked in all the stores they don't have size 1,, I must go to any store to get voucher that will be valid for 3 years .. I told her that I need the tekkies I won't be able to do so if they can't help me they must refund my money back so that I can go to the other store get tekkies for my kids.. She was surprised when I told her I spoke to Mr mkhosi on the morning on that day and he didn't tell me what she was telling me.. Because I called again on Friday I asked for the manager Mr mkhosi who did not even apologized not to come back to me until I call him I explain the situation that I need size1 airforce tekkie I gave him barcode and I told him that I will be glad if they can courier the tekkie to any store in Cape Town then I will fetch it there,, I explain that I have twins who supposed to wear this tekkies by the 16 December he said OK will come b ack to me since then I never had of him.. Today I called in I spoke to Sue who was rude to me told me that I must call Mr mkhosi on his mobile number I asked for his number she said she doesn't have it, I asked for shinezz I was told she is not there too,, so when I start to explain reason of my call she told me to call Mr mkhosi and give me his cell number, when I asked for his number she said she doesn't have the number she did not want to listen to me and then gave me the number, she told me I must be grateful of getting his number because she is not allowed to give me his number in a rude tone when I start to talk she told me she is busy she needs to help the other customer then she dropped the call.. I callled Mr mkhosi the phone was not available.. So im so disappointed about everything from sales ladies to the area manager.. Humble request if they can't help me with size 1 they must just take both pairs of tekkies and give me my money back that's all.