Then a small aviation technology company offered to license it.
Two years later, I started my own business.
I called it ClearPath Systems.
We built tools that helped airlines identify duplicate seat assignments, unexplained reservation changes, and operational errors before they became confrontations at the gate.
The company grew faster than I expected.
We hired engineers.
Signed contracts.
And developed a reputation for solving problems that older airline systems had ignored.
By twenty-seven, I had sold a significant portion of the company to an investment group while retaining enough ownership and leadership responsibility to continue developing the technology.
I wasn't born wealthy.
I became financially successful because I understood a problem that expensive corporations hadn't solved particularly well.
But I never forgot that every data error represented a human being.
A missed connection might mean someone didn't reach a hospital in time to see a parent.
A lost seat assignment could separate a child from a caregiver.
An improperly recorded downgrade might cost someone money they couldn't easily afford.
My mother had taught me to think about those people.
And she remained the first person I called whenever something good happened.
Until the winter when she stopped answering.
The last conversation I had with my mother was about a flight.
She had been sick for several months, recovering from a serious heart condition that made ordinary activities more exhausting than they used to be. She hated being treated like a patient, hated asking for help, and hated the way I watched her whenever she climbed the stairs.
One evening, I called from Atlanta, where I was negotiating a new airline technology contract.
She answered from her apartment.
"You sound tired."
I laughed.
"Mom, you're the one who's supposed to be resting."
She ignored that.
"Did you eat?"
"Yes."
"Something real?"
I smiled.
"Yes."
Then she asked whether I had booked my next trip home.
I told her I was trying to find a convenient flight.
She laughed softly.
"Don't work so hard that you forget how to come home, Elias."
I promised I'd visit the following weekend.
But that weekend never came.
Two days later, she suffered a medical emergency. By the time I reached Chicago, my sister was waiting at the hospital, and our mother was gone.
For months afterward, I kept replaying our conversation.
I thought about the flights I'd taken for business.
The meetings I'd considered urgent.
The evenings I told myself that once the next contract was finished, I'd spend more time with her.
I had enough money to book any seat on almost any commercial flight.