Branch manager not helpful

I was transferring money into a capitec account for a collegaue of mine, unfortunately she gave me an incorrect account number, when I realised this we both went to Capitec bank on 30/09/2015 and was first assisted by a consultant who advised there's nothing he can do and he cannot even check the wrong account. He then advised that I go to cash deposits and they will give me the names of the account holder (as we were trying to see if it's someone that my colleague knows), unfortunately we were only given an initial and surname and was advised to go log a reqeust with my own bank.I then asked to speak to the branch manager and he in turn advised that he cannot help me I must go to my own bank.I then logged a reqeust with my own bank and was advised it will be resolved by today.I then went back to Capitec and advised the branch manager that I'm not happy with the service I received from the branch and will be taking this further, he was adamant that he cannot check the client's account and cannot contact the client and cannot give me the client details.I've received feedback today and according to Capitec bank there's nothing they can do client used the money, I'm very disappointed