Kulula refuse to give refunds - Covid happened and we could not fly...

I bought 3 airline tickets in April 2020 to the value of R6 519.63. Due to Covid all flights were cancelled, as well as my wife's ceremony to receive her degree in Johannesburg. We live in Cape Town.

Spoke yesterday to Bianca and Keischa, who refused to give a refund. Keischa is the supervisor. I asked her if i could speak to a more senior person, and she told me they will give me the same answer.

The only thing she did was to refer me to their terms and conditions. I was thinking, is Covid also in their terms and conditions???????? Keischa also said they will keep our tickets in a Travel bank if we want to fly in the future. I told her we are NOT regular flyers and this was a once off, for my wife's ceremony. Then she said that I can give the ticket to a friend or family member. Have you ever!!!!

I have a question to Keischa and Kulala, will you go into a shop and give them R6 519.63, and not take the products that you purchased???????? I did not make use of your services due to Covid. Why don't you give refunds to your clients????

My etickets: ***