Service cancelled June 2014,still have debit order

I've been struggling since June 2014 to have my Telkom line cancelled. With every visit (more than 5 times) to my local Telkom store in Bloemfontein, I'm given different reasons and information on how to cancel this service. On more than one occasion I've been given a different email address to cancel the service. Today, I was given an email address by the consultant. Upon explaining to her that I already sent my request to this email address in June 2014 her response was: \Oh