Rude n disgusting service

I am so cross....its my birthday today n the last thing I want to be doing is having a fight with rude unhelpful inefficient multichoice staff who have no manners. Not once did they bother to wish me n apologise for the inconvenience iso I just got bad attitude. I asked to speak to a Manager and he refused to put me through to one....as a loyal customer of long standing, it is my right to speak to a Manager if I want to.....since when is it the norm to be denied access to speak to a Manager.....I need a senior management member to call me ASAP iot resolve my many long standing issues.....Please do not bother to just send me an electronic response as I have used up more than a months worth of my airtime over the past few months trying to get my issues resolved. I am tired of being told that either they will call me back or email me and I get nothing....This is actually really poor shoddy service