Bad service ever

My name is Ryan Grimett just recently open account with multichoice that's is last month requested for them to activate a debit order on my account thinking all is fine to my supprice my service was suspended I called the call centre to enquir told me I had to pay told them I had requested for a debit order why was this not done told me they don't know spoke to their supervicor he told me that he was going to arrange adoc from my account and that he was going to call me bk never done this call again on saterday they promised me the same thing call again on Sunday no joy told me they having system problems I must pay cash today is Tueday I paid the cash amount owing called center again told them I have paid they then tell me I must wait they can't activate error with the system spoke the their supervicor after waiting 1 hour to speak to them told her my airtime all finish she told me she would call me bk never this Tueday night account all paid up but still no service I have never in my whole life been treated like this ,I'm so upset now they tell me that I must wait until tomorrow to get my service what must a person do to get help