An Amber Alert for a 16-year-old Royal City, Wash. on Saturday was canceled and changed to an "endangered missing persons advisory."
The Washington State Patrol says Monica Helberg was last seen at 8254 Road E SW in Royal City.
Authorities say Helberg may be with Miles Moncada, 22. There is a restraining order against Moncada.
They may be headed to California in a 2010 Yellow Ford Focus, with license plate: CA #7AME520.
Moncada has brown hair and brown eyes. He is believed to be 6-foot-1, weighing 165 lbs.
Helberg is white, with brown hair and brown eyes. She is believed to be 5-foot-7, 140 pounds.