Annoyed with imcompetency

I've sent numerous emails with the proof of payment and conformed that I've canceled my membership effective as from the 31st December 2018. They still went and debited mu banking acoount in Jan and Again on the 1 Feb after their agents assured me its sorted out. Im so frustratex witb imcompetency and need still escalated to higher management to have this finalized as I owe Discovery 0.00.