fnb penalised me coz i closed my account

I had an account with fnb...i was not at all happy with any of d services so i decided to close d account bt before i had it closed on d 18july 2015 i plced a notice for my money and was advised i wll receive it on d 18 august..ok thn on d 24 july i closed d account...todae ot is d 19 i fone them d consultant tells me i wll receive my money ob d dae i closed d account.doesnt matter wht d agreement was so nw they extended d waiting period cz they can...i feel m being punished for the chooce i made..pleas help