Data disappearing

<p>Hi, I'm struggling to solve a problem with Vodacom. I visited their Canalwalk branch three time. The third time the lady gave me a reference number and told me they will contack me in 7 to 14days. Untill now no reply. My problem is that I don't have a bussiness. I Don't use my phone often just whattsapp, sms. google not alot. I've synchronised my emails for the last three weeks. But it still happening. 1 gig a day..This afternoon at 12h15 I bought 250mg by four it was gone. i'm at work . I can't use my phone that much .. Monday I bought 1gig yesterday afternoon all gone. Please help me, this is a disgrace</p>