Rude customer agent

I have been calling inn to the company to query my acc as i want to pay ot off. And today a consult acting on behalf of matshepo was so rude towards me. Even hung up the phone on me when i informed her that I dont have a salary date but funds will be available on the acc to pay it off so if she hangs the phone on me how do i conclude with arrangements to pay off the account.. The service we get is bad especially if its the client calling in to resolve they acc...