LACK OF CUSTOMER SERVICE AND FEEDBACK

I'm soo annoyed with Virgin/Vitality I have a unresolved complaint since end of February,My vitality was cancelled in Jan, reinstated in Feb whereby I was debited the installment for it end of Feb, for some reason I was charged a full gym fee of 400 end of Feb, I called to rectify this and was told the refund will be processed within \7 working days"that never happened and guess what?? month end March the same thing happens. charged a gym fee of 400 and a vitality fee"