Recharge unsusessfull, money debited from account

On Sunday at around 04:40 I logged into my vodacom account to recharge my airtime on my phone. i selected the \buy again""; So i bought another R100 of airtime. <br> This trasaction aldo did not go though;<br> <br> I called your call centre 111. and could not get hold of a human. <br> can somebody please assist me"""