worst service ever

i called telkom in april to change my debit date the stupid agent didn't change it,i was charged a rejection fee even though my debit order was processed on the 29 may ,i called yesterday i spoke to gugu sibiya she was impatient ,she couldn't give me answers ,she refused when i requested to speak to her team leader and she didn't give me a solution regarding the rejection payment ,i refuse to pay any rejection fee because of someone do their job