Why cant choose which day my services are loaded?

Good day,<br> <br> I have a query that I need assistance with urgently please. I am not getting any joy through your call centre.<br> <br> I prefer for my services to be loaded on the 1st of each month (in other words for my airtime, data, sms's etc to be loaded on the 1st).<br> <br> I am told by the people I spoke to in your customer service/credit departments that my services are loaded on the 14th currently because my invoice date is the 13th and and there is nothing I can do to change that. What kind of customer service is that?<br> <br> I did not even agree to this date, infact it was never communicated with me. this was a date chosen for me without my consent and it is not a convenient.<br> <br> Could you kindly assist.<br> <br> <br> Regards<br> <br> Zintle