About an hour later Botha's son phoned again. The son said Mogale had called him back to check on his father.
"When I landed in Bloemfontein the next day, my son told me that Tumi and her fiancé had wanted me to come and stay with them for the night and that they would have brought me back to the airport to catch my flight. Willem told me that Tumi had wanted to help me because I resembled her grandfather, and that she was worried.
"The first thing that I did when I got that message was phone Tumi and tell her that her Bloemhof grandfather had landed safely. She laughed and laughed."
He said he had never experienced such kindness and that Mogale had "completely opened my eyes" to the real kindness of South Africans. "She completely changed my attitude to life and the people of this country. What Tumi did for me has made me look inwards and do a self-inspection of my own life and how I treat and think of people.
"There is so much anger in SA, and kindness like this is exactly what we all need."
Mogale said she had reached out to Botha because it was cold, he was on his own and far from home.
"He had been travelling for two days. When I saw him there on the bench I immediately thought of my grandfather. I thought if he had to find himself in that situation I would hope that someone would help him. It was not about seeing race, it was about seeing another human being out in the cold.
"Anyone with a heart would have done what I did," she said.