Pathetic FlySafair service

This is a pathetic company to deal with. I made an online booking few minutes after 7 on a Sunday night. No problem. Minutes later receive my confirmation and immediately realise I made a mistake. I did the booking the wrong way around. Departure and arrival airports swapped. My mistake. Big mistake. The call centre only operates 7 to 7 so I was only able to get through the next morning when they eventually answered. To rectify my finger trouble, resulted in the fair being double. Cancellation, service fee etc. Surely there should be some room to accommodate a genuine mistake that I tried to rectify immediately. Insidentally, it turned out that it was cheaper to do online change on Monday morning than the quote on Sunday night and almost R500 cheaper than what the pathetic call centre operator wanted to charge me. Last time I will use this airline. I will rather pay double and fly with a 'real' airline