CHICAGO (CBS) — A New York woman with ties to the Chicago area hasn’t been seen since Thursday.

Sierra Shields was last seen leaving LaGuardia Airport on Thursday. The 30-year-old Queens resident had worked for Shuttle America, which is owned by Republic Airways.

Shields grew up in south suburban Richton Park and graduated from Rich South.

Sierra’s mother, Donna, said she spoke with her daughter on Thursday and said something seemed wrong with her.

The last person to speak to Shields was her supervisor at the airport, Roger Stern of New York news station 1010 WINS reported.

Midday on Thursday, Shields quit her job and walked out, leaving her belongings behind.

Members of Shields’ family have flown to New York and have filed a missing person report with New York City police, who are investigating.

A Facebook page, seeking information about her disappearance has been created.