Unfair Charges and Request for Flight Change

I am writing to express my dissatisfaction with the current situation regarding my reservations and the attempt to change my flights.

Reservation Numbers: 1. WTGLFV - R2670 (including insurance) 2. NV2DS6 - R1502 (including insurance)

I am in the process of trying to change the flights associated with these reservations, and I've noticed a significant discrepancy in the fees compared to the original ticket prices. The tickets I am attempting to change are priced around R850, and despite having insurance, there still appears to be an additional administrative fee on top of my payments.

I believe in fair and equitable practices.

They are just abusing the system and the country like this.