Clientel - WORST SERVICE

I wish to lodge my utter contempt for the way I as a hospital plan customer have been treated and are being treated by Clientele. Last Saturday, 9Nov19, I noticed a duplication of the debit orders from my bank account. I called Clientele to inform them of this. I was asked to supply proof of my accusation by submitting a copy of my bank statement. I did this with 5 minutes of the request. I called on Monday 11Nov2019 to confirm that the email was received. This was confirmed and I was informed that the matter will be resolved within 2 working days. I called again on Wednesday, 13Nov19 to enquire why the refund was not executed yet. I was then informed that that matter has been escalated and should be completed soon. Since I havent heard from Clientele at any point during this whole ordeal, I called AGAIN on Friday 14Nov19 only to be informed that they are waiting for confirmation from my bank. This after I already supp**** all the proof as requested. I spend 27 minutes on a call with a lady who kept having to refer to her supervisor. When I mentioned the 27 minutes to her, she offered to call me back ...but guess what.. she never called back. It is now a week later and this issue is still not resolved. Then I received an email asking me to complete a survey as to how the problem was resolved. Every month they take my money but when they need to actually service me this is what I get. This morning I (Saturday 16Nov19), I called again and was informed that tha matter willbe given to a supervisor whoo will call me back. If that happens I'll et my hat. I feel a cancellation coming on. Why are we being treated this way by coompnaies.