Appalling service

Good day, <br> <br> I loaded 100mb data on Sunday, 8th of November 2015 at 16h45 and it was exhausted before 20h00. I then called the call centre and spoke to a gentleman whose name I didn't take down, who reassured me that I had no content I was subscribed to on my number therefore had no reason for my data to be depleted so quick however I must check that I don't have auto updates on my app settings. I had already checked all that and I didn't have anything auto updating nor roaming. I then loaded another 100mb of data after killing all my applications, and making sure that nothing was running in the background. Again my data was depleted without even chatting nor browsing any sites. I then called back to your call centre and spoke to a thandiwe, who confirmed that she could see that I have not accessed any sites yet my data is depleted and advised that it must be a system related problem and she will be logging a case to your technician who have a SLA of 72 hours to call me back. <br> <br> Indeed Sam (technician) did call me back yesterday and advised that he cannot assist with my query as according to him I did not load 100mb * 2 that day! what happened to my data? I want to be reimbursed