Maui to New York City at Los Angeles International Airport days earlier on Nov. 8. Kobayashi is described as 5 feet, 10 inches tall, weighing about 140 pounds and has brown hair and eyes,

"Hannah’s last message to us was alarming — she mentioned feeling scared, and that someone might be trying to steal her money and identity," family member Larie Pidgeon wrote on Facebook on Nov. 14. "She hasn’t been heard from since, and we are gravely concerned for her safety.”