Bad service

If you try to reach Turkish Airlines via telephone in Johannesburg you are clearly wasting your time. One may not reach them, maybe they never heard of this technological invention and convenience. Finally I managed to find Johannesburg office email address. I communicated with Turkish Airline Regional sales and traffic agent, regarding the booking that need to be changed. After initial reply I never received any further communication from her reflecting any details for any options and possibilities available in order to accommodate us by swapping departure dates. Turkish Airlines management publicly praise themselves as on of the best Airlines in the World. Unfortunately they never managed passing that attitude to their down line, to their staff members. They act irresponsibly and recklessly to say the least...