She returned to the station the next day to return the slippers and thank the staff.
"Maybe you lepak a bit," Mr Sim jokingly advised.
The woman said she suffered injuries and emotional distress from the incident.
The 52-year-old will serve two months and one week in jail as he did not pay the fine.
Women made up the largest group of applicants.
A 36-year-old male Chinese national was arrested.
The woman had transited through Singapore en route to Auckland Airport.
She has previously taken part in flood rescue efforts, including a recent mission in Hat Yai, Thailand.
Netizens speculated that the pair were attempting to split or evade the cost of parking.
Researchers have managed to trace the identity of the woman buried there.