Charge migration fee when i actually wanted to cancel contract

<p>I called in Feb 2016 to cancel my contract and was convinced by John at retentions to migrate my package until year end. He never discussed a migration fee to me.In march i was billed almost R2000 from a bill of R300 because it included a migration fee. I escalated this is March was told it was an error, still awaiting refund. Escalated this matter 4 times and was told i would be called back never happened. Ridiculous, i want this amount refunded to my account and i refuse to pay it because it would have cost me +-R1400 to cancel in total. Urgent feedback is required or i am taking this further.</p>