Published: May 12, 2013 7:17 PM EDT
Updated: May 13, 2013 12:22 AM EDT

UPDATE: The AMBER Alert has been cancelled. Our crew was at the home of Megan Morris when her mother got a phone call from police telling her he girls were located in Kentucky.

COLLIER COUNTY, Fla. - Authorities have issued an Amber Alert for two missing Golden Gate teenagers who may be in the company of a Missouri man one of the girls met online.

Tatiana Rosado, 15, and Megan Morris, 14, were last seen around 3:30 p.m. Saturday leaving Rosado's home on Tropicana Boulevard to take her dog for a walk. The girls and the dog never returned.

Through their investigation, Collier County Sheriff's Office detectives learned Rosado had been in contact online with a 22-year-old Missouri man named Ivan Eugene Coleman. Detectives believe the two girls may be in Coleman's company.

The girls may be traveling in a gray 1994 Pontiac Grand Am four-door passenger car with Missouri license plate number MA2V8A. Rosado's dog, a small mixed breed terrier, may be with them.

Detectives said Rosado is described as white, 5 feet 3 inches tall and 130 pounds with brown eyes and blond hair that is shaved on the left side. She was last seen wearing a gray long-sleeve hooded T-shirt, and blue jeans with one leg cut off at the knee.

Detectives said Morris is described as white, 5 feet 3 inches tall and 85 pounds with brown shoulder-length hair and hazel eyes. A clothing description was not available.

Coleman is described as white, 5 feet 10 inches tall and 150 pounds with black hair and brown eyes and possible facial hair.

Anyone with information about their whereabouts is asked to call the Collier County Sheriff's Office at 239.252.9300, or to remain anonymous and be eligible for a reward call Crime Stoppers at 1.800.780.TIPS (8477).