IM GOING TO KILL SOMEONE

Im so ****en angry for the service im recieving from ABSA . I want to cancel my life insurance and i sent my wriiten letter request along with my ID requesting cancellation on the 2 Feb 2015 . Even called retentions and they asked me to do so and i did. But still no response .If i get debited for next month i will close my ABSA account because this is ********. Because they never take time to debit my account