Helping a senior citizen in distress

My aging dad was on route to me from Swartrugens to Koster, he txted me when he left, after 3hours I had heard nothing from him, I in destress, then my phone rang and I answered, and a very friendly Christoffel informed me that my dad suffered the puncture about 10km from Swartruggens and could not reach me as he had no signal, that he will change the wheel for him so that my dad could continue his journey to me. When my dad arived at my home he spoke about this ordeal, he said that probably 150 cars just rushed past him, no one cared, then this cartrack vehicle pulled up behind him, and he was greeted with a warm sense of confidence, the cartrack person introduced himself as Christoffel, he phoned me as my dad has real bad hearing, he changed the wheel and gave my dad a sealed bottle of cold water. my dad says he asked this Christoffel whe he stoped to help and he said \Sir