Police are searching for a 23-year-old Massachusetts woman who was last seen talking to a man outside a Boston bar Saturday night. According to Radar Online, Boston police have identified the "person of interest" captured on bar surveillance.

Olivia Ambrose had gone to Hennessy’s Bar with her sister, Franny Ambrose, but later they got separated. Franny told MassLive.com they were out dancing with friends. She contacted police after being unable to communicate with Olivia.

A missing person report was filed Monday with Boston police and an investigation was opened into Olivia's disappearance.

“Boston Police have identified the man captured on surveillance leaving with Olivia Ambrose,” a source told Radar Online. “The man in question is the one captured on the establishment’s surveillance. He is in contact with Boston Police and is expected to cooperate and speak with detectives... No charges have been filed at the moment.” He has not been publicly identified.

According to Boston 25 News, Olivia works for the software company Toast, Inc. and is a graduate of the University of Edinburgh.

Police said Olivia has blue eyes, curly brown hair and a height of about 5 feet, 2 inches. She was last seen wearing a white or beige coat with a red corduroy dress and Dr. Marten boots.

Family and friends said they visited Olivia’s Jamaica Plain apartment twice since she went missing but she was not there. Her family said Olivia always calls and texts. They were worried after she missed an appointment Monday.

Olivia's father, Michael Ambrose, handed out missing person posters in the areas in a bid for clues about his daughter. "It's your worst nightmare," he said. "I'm trying to stay busy, and I'm trying to find her."

Detectives reportedly met with the family at the bar to review the surveillance video to look for clues.

“Anything at all. Even if they don’t think it is relevant, it might be. We just want to have her get in touch with us or somebody get in touch with us. We just want to hear from her and have her home,” Olivia's mother said.

A Facebook page titled “Missing Person: Help Find Olivia ‘Liviy’ Ambrose” was created Monday for any information that could help the family find Olivia. 

Authorities also urged anyone with information related to the case to contact Boston Police at 617-343-4248.

Boston police Police in Boston are looking for a 23-year-old woman who was last seen at a bar. This photo shows Boston Police officers patrolling outside the South Station train station in Boston, Massachusetts, Jan. 19, 2005. Photo: Getty Images/Jodi Hilton