Disappearing airtime

I noticed my airtime and data disappearing in July and nobody at MTN is able to help me fix it or get to the bottom of it. Every person I have spoken to has passed me onto someone else so I have now spoken to upwards of 20 different people and am no closer to fixing the problem. I know this is a problem as I have read multiple similar reviews on HelloPeter. I am also unable to speak to anyone from the ***** department. Could MTN be ******** it's customers? Seems likely