Lost trust and angry

So I went to Edgars in wonderpark mall in Pretoria on the 20 July 2019.. I was looking for certain specific shoes (Sardine shoes).. I found the shoes but unfortunately my size 6 was not available so I was reffered to customer service.Was assisted by Rethabile. She checked the availability of those shoes in some other branches and fortunately the shoes where available in kollonade.I informed her i was not able to go there but that I desperately need those shoes.. Then she told me she will call kollonade branch so that she can organise for them to be couriered to their shop and they will contact me once they receive them. I was informed its gonna take 2 to 3weeks.I didnt mind because i was despereate to have those comfortable shoes. So more than 3 weeks past, I waited with no feedback or any call from them informing me.. I kept calling to check n I would find other people who said they not available or that I have to speak directly to the person who assisted me. So yesterday I decided to go back to wonderpark mall as I took day off just to resolve this matter. When I got there the lady who assisted me was there but she was busy so I went to another one to assist me.. I asked her if my shoes were available she immediately said no because I have not received the call. Then I waited for Rethabile to finish with the customer that she was assisting . I explained everything and she recalled and she checked on the system and she realised the shoes were already couriered to their branch but they FAILED to inform me. Had I not went there I was not gonna be informed.. Anyway i was happy that they arrived, then when we checked inside the box of the shoes we found out that it was incorrect shoes.. Oh God.. It keeps getting worse.. When she checked the email that she initially send to Kollonade.. She put in the incorrect number of those shoes.. After that she tells me those shoes are no longer available anymore. I felt like crying.. She apolozied but I felt like I was not treated fairly especially now that I won't ever find those shoes ever again. As a customer I lost trust in Edgars.. I'm so angry.. To think that I was relaxed knowing that I will receive my shoes from wonderpark as its nearer to me.. Anyway the correct9 no for those shoes is ***4.