Great story
Exec_Plat. Nothing comes up on his FB posts around that date (ie. no posts between 2nd and 6th March), so I know that he was probably attending Mardi Gras in Sydney (as he couldn't attend a FT function that I had in BNE on 5th March). Why he didn't contact you afterwards - I can't comment, only he knew the answer.
He worked as a volunteer for the South Katoomba Rural Fire Board and I note that they had crews out for 7 days (3 individual cases of lost women in bushland) around your arrival dates
here, so that may have been a reason he didn't contact you at that point.
Interestingly, his profile on Australian Frequent Flyer is rather poignant: