MBD refuses to pay back my refund!

I am extremely annoyed by this company I settled my debt on the 13th November 2018, of which I over paid them I have requested a refund since then and they keep taking me back and forth and keep giving me excuses. I have a trail of emails which I started with Monray Marchell Maree which he never ever had the courtesy to respond to my emails . I further started communicated with Lesley Marnitz which she has been giving rather excuses regarding my refund, she doesn't even have time frame as to when my refund will be processed, so now she has even resorted to just ignoring my emails. I have been calling her all day yesterday her line seems rather engaged all the time! I have explained how urgent I need this money as I have other debts to settle now my creditors have declined these settlements as now the money is just not getting to them I have been giving them excuses and they are no feed up! I would like to know why does it take MBD two ****** weeks to process a refund I paid you guys for heaven sakes! Give me my ****** refund! I would like my refund in my account by close of business today. This company is full of **** and the ****** supervisors are just sitting on their jobs really!