BAD Customer serve/*********** staff

i received a call from someone regarding the plan i am on from MTN rewards co, my package i have is outdated they must migrate me to a new package, the lady i spoke to never advised me that i will have to pay migrationes fees or pro rata fees, in Feb i was over debited with almost R600, i have been dealing with them to get a refund as i was never told about this, the ladies i have been speaking to that was busy with the investigation confirmed that a refund must be done as the recordings confirms thtat i was not made aware of this, i have been speaking to Celine suppose to be a supervisor who confirmed that the investigation on the one list is complete and will start with the refund they will busy with the other line, 3 weeks later no update from Celine, i have been phoning in every second day Celine never available and when i ask to speak to a senior i get placed on hold for almost 30 minutes than the calls is dropped, i am appauled at the bad serice i have been receiving and still waiting on a refund. if my one contract was not only 1 year into the contract i would have cancelled all my lines as this is the worst service i havereceived.