*********** staff at MTN

My mtn data contract ends on the 15th of July 2022. I called today to have it cancelled, the mtn retains department said I was supposed to call 30 days prior the cancellation date and now it will end on the 6th of August 2022, mind you there were no reminders send to remind me of the end date. The retains department transferred me to the Billings department a the lady there said the information is incorrect I was supposed to cancel on the 15th of July or after because I am going to incur a R600 early cancellation fee mind you it's within the same month she then transferred me back to the retains department and the guy who was assisting me said there no such. A lady by the name Lucia at the Billings department ended the call when I tried to find clarity. The Mtn call centre staff is so ***********, they don't when know what they are doing. I am now left with no explaination. The refused to transfer me to their management... Please don't ever get a contract with MTN it's a disappointment.