Missed recognition

[UTUSN]

Walking to the car in the Urology parking lot -
me with covid mask half hanging hooked on an eyeglass,
self-absorbed about 2 med appointments,
somebody called, "Sir..."

I turned and it was a young (20s?) dude asking
"Is this the Urology door or the other one?"

I just said, yeah this one, barely turning not engaging.

Yes, his vulnerability, like asking for help (in a Urology setting)
sort of registered, too late.

I went on my way, then driving thought,
"This human needed some help" (that I didn't give)

What supposed to do, forget the next appointment,
go back, run into the reception area