Disrespect from a "mere" agent and not adhering to the agreemnt we had

I made a call today to enquire about an email and sms that I received today that my car won't be covered. I spoke to this idiot named Tsatsi Letsoalo who kept interrupting me each time I spoke. I've got zero tolerance to disrespect especially when I know exactly what I'm talking about. First of all it was your people that gave me a call to sell me a product which had additional benefits and I stated clearly that I get paid on the 15th of every month and you did debit on the 14th because the 15th was on a Sunday, next thing I get an email that tells me that I won't be covered because a debit order didn't go off on the 16th or was it the 17th, what the Hell do you want from my account on those dates cause that's not what we agreed on? I know for a fact that all your calls are recored so pull the ****** records from the time that girl sold me your product and listen carefully to the date I gave her. And lastly I refuse to be disrespected by a "mere" agent, teach your people telephonic manners and I need an apology from that trash called Tsatsi Letsoalo cause I'm not paying car track to be cut off when I wanna enquire about my account. Since he didn't want to assist I asked to speak to his manager but he decided to cut my call while I'm using my own damn airtime. I won't be making any arrangements because I agreed on the date of the 15th so don't bull**** me because if you were able to deduct on the 14th why would you decide to make an additional debit on the date I never agreed on? Fix this and get that Tsatsi boy to apologize.