FNB worst bank ever no customer service

My account was debited by company online I had made a payment using the digital card(which is su to be safe for online purchases) then few days afterward my account was debited again for R2000 some change I definitely did no agree to this I immediately called through to ***** department was Referred from one department to the other no one could assist me R160 airtime used up with no assistance I rushed through to the bank of course they couldn't assist as well I was put back through to the call centre only one phone in the bank had to wait the gentleman before me was on hold for 30mins listening to music. Eventually they assisted him with online internet couldn't understand why they didn't do that in the first place. Eventually my call was answered told to cancel my bank card fill in dispute form. When you call in you get no help at all transfered from pillar to post. Eventually get through today told I must wait 40days for the company to respond what the hell must they respond to I want my money back they had no right to debit my account and also using FNB digital card that's supposed to be safer for online use. I'm so sick of FNB honestly no assistance whatsoever how am I supposed to make my actual monthly debits