Kulula.com worst airline don’t care about clients

My dad sustained an injury to his eye and needed operation. I informed kulula.com and requested the ticket to be transferred to my son because we booked a trip to sun city. They informed me they don’t do transfer tickets I then requested they pay me out so I can purchase a new ticket for my son. After providing them with medical evidence of my dads injury they refused. I’m still waiting on my refund and had extra accommodation nobody used that we paid for. On my we back I discovered my 1 suit case was opened, and there was items missing I informed Chubb security the company Kulula.com use via email and telephone and no response, I have also supp**** them with pictures of my suitcase when I took it off the ramp and proof of my flight. The 27 December will left we returned the 3 January