refusal to refund cancelled flight which cannot be boarded due to requirements that are not yet effected

so i thought i would let this slide but its too painful.

we booked a flight from SA to Kosovo through my trip app: Order 1030-374-877. my son Couldn't board because they required a visa to Kososvo which is not yet be accessed. we tried to cancel prior because he couldn't board but they said is non-refundable.

the challenge is there is no visa required for Kosovo for South Africans, we even asked DIRCO but Turkish Airlines will not assist. we lost R12,178.81 ZAR on that ticket. between Mytrip app and Turkish airline, we couldn't be assisted. No refund could be processed whilst they paid his team mate who had booked through the same and requested refund because he also couldn't board, they were literary standing next to each other and on the same flight.

this is the second incidence, another happened in September, with this one was booked through flight centre online. The same thing happened. Flight booking: ***9. this one we lost R14 652.34 .

Flightcentre online said they cant refund us because we had checked in even though we couldn't get a boarding pass. We called them in the morning and were told by Turkish online that everything was in order, we must just get to the airport earlier to board. but when we got there they refused quoting a visa required which is not registered anywhere.

i am deeply hurt and financially crippled , Turkish Airlines has de*****ed me of over R26 000 within a month, with no refund, or even charging a cancellation fee.

their services are horrible, the online support does not assist at all.