ACCOUNT OVER PAID

I have never seen such in my whole life haibo...i have paid the loan i had in Jan 2019 the 07th and my mobi account is over paid with R1221.63.I have requested a for a refund on the 09.01.19 spoke to Vuyiswa lovely lady said will be refunded on the 11.01.19 latest as they owe me the amount fine all was good.I have never got my money i mean my money...called again the 14.01.19 spoke to Pamela said i must go to my mobi account and with draw that amount hei hei i saw flames daylight R1321.69 I must with draw that amount and pay R121.68 month end of Jan yoh kanti what the hell is going called again sameday spoke to another lady said the samething i was told ,you FINCHOICE you owe me i do not owe anything my LORD why must i pay more when you have my money and told will take 2 to 3 days for what because i called you on the 09.01.2019 as soon i got the statement instead you want me to take a loan i do not need it i want my money you very quick to debit then send sms WE HAVE NOT RECEIVED THE MONEY YET YOU HAVE TAKEN MONEY I WANT MONEY TODAY MIDNIGHT OR TOMORROW ITS NOT MY FAULT YOUR SYSTEM SO YOUR BACK OFFICE IS LAZY BUNCH OF PEOPLE LIKE IN ALL HONEST YOU LOSING BUSINESS AND CLIENTS....