The worse service ever from Telkom

Since last week I have been trying to get answers from Telkom why my data is running out so quick. Every time I call, i have to hold on for more than an hour. Since yesterday as soon as I get thru to the customer service person, they hung up on me. This is absolutely ridiculous. I even asked for the floor manager and they rudely refused to put me thru. Last night I was holding for the floor manager and after 2 hours I was cutt off. When I called back and waited for another hour, CS person said to me that the floor manager only works for 08:00am to 16:00pm. So I ask you...? Why was I holding on for two hours? This is absolutely worse service ever. I buy allot of data and airtime. Please can someone came back to me as to who can I speak to get my problem resolved. I monitor my data usage and can see when an application is using allot of MB.