QATAR AIRLINE HAS NO EMPATHY

I had a bad experience with my first International flight with Qatar. My local flight was late which made me late for my connecting flight in Joburg. Kalula notified the airline that they were running late not that they did'nt know. My connecting flight was 13h45 and I landed 13h05 which I was escorted to the Checkin. I had a boarding pass but the checkin staff said I was late. I was told that I must be 20 minutes at checkin which I was. My friend was on the plane and messaging me that the pilot announced that he will wait for another ten minutes. I told the guy and he just said sorry it's closed. Just so in a flash my two years of saving for my 50th gift to myself was taken away. I was devastated no one could help in Joburg . I had to make a loan to purchase a new return ticket not a single BUT A RETURN. I've been asking for the footage to see the time I arrived at the checking all the say you were a NO SHOW. One of their staff told me they would normally send you through but know I HAD TO BUY A NEW TICKET. I stayed in Joburg the whole weekend had to pay for accommadation as well which I only left the Monday Evening. Their staff had no empathy I was left alone it was a NIGHTMARE. My reason is why did THE PILOT WAIT EXTRA TEN MINUTES . I ARRIVED THERE BEFORE 13H30 which they only left 14h00. All I want is to be compensated for the TRAUMA I'VE BEEN THROUGH KNOWING I WAS ON TIME.