Data un-accounted for

This morning I bought date 5GB and just noted now that I am out of bundles. I called the call center and spoke to Hlumelo Khula to ask why my data is depleted. He made me hold for 7 minutes and when he come bk telling me I have been on the Internet . Howz is that possible as been driving since morning and know the sites I went too. I ask him to transfer me to his supervisor Andy Maboshego bt I was holding for 15minutes and he cut the call. Worse I am paying for the call I made to Telkom. This is unacceptable and I need the data usage to see where data used and I am told abt law that’s doesn’t allow that. My Telkom number is ********** 825 and using a 3G