Loyal client cancelling after 20 years - thanks to your bad attitude and service!

I've never been happier to cancel with a NON service provider! Reference ********** 66 ********** 05: I want to terminate both numbers on my contract effective 2 May 2019, ensuring that international dialing and roaming remain active until then. **NB - I then need both numbers to be converted to PRE-PAID, please. Seemed simple enough to me, but I was wrong! Your pompous "retention" staff are worse than the 808/153 babies that you employ. They act like they are there doing their clients a favour. They are too "special" to be reached directly. Because they don't listen, they don't react and action in line with what your customer wants and needs, they make simple things very hard, very fast! You guys SERIOUSLY are the worst of the very worst, when it comes to customer service. HOME AFFAIRS call center has better trained staff than you do. It's like pulling teeth having to contact you. If only your other avenues were functional and effective - like web or app requests or self service, but that too just falls into the never ending void of nothingness. When will you join the rest of us in 2019, as a telecom company, your business practices are archaic and completely ineffective. I'd appreciate a call back since I spent half an hour on the phone this morning trying to do the above, while recovering from serious surgery... it was torture.