Terrible experience

I have been having a life cover for more than 15years and savings with Old mutual.. I went to Old mutual office in Kerk street to cash the saving and cancel them to open a retirement policy. The lady by the name of Keabetswe Molebatsi was assisting me. The retirement policy was open but the debit order for retirement policy was taken on the date that we did not agreed on.. I requested the lady to fix the debit order date for retirement. I told her if the date is not fixed I will cancel that retirement policy.. To my surprise my life cover policy and funeral cover were cancelled.. I called this lady to find out what is happening.. I asked her if funeral and life were still active.. She confirmed debit order went thru.. The next month I went to old mutual office to investigate.. I was told my policy has lapsed cause I did not pay for that month.. Can you please investigate. I requested for my policy to be re instated.. To date I have received any feedback from anyone from old mutual