VODACOM just doent give feedback on requests

On 22 November 2015 I sent a request to Vodacom asking then to provide me with proof that my monthly 500meg data bundle was loaded to my account from the date of purchase. Since this date I have sent several requests to customer services with the only response received being \it is with our back office feedback will be provided once available"this was on 11/12/2015 - Still nothing!!!<br> Is this information so difficult to provide or is it not important enough for them to provide it. What I find strange is that if you are late with your bill your service is terminated asap!! but when you ask for something from the service provider you must simply wait until they want to provide it to you"