Bossier City police are asking for the public's help to locate a runaway teenager.  14-year-old Amber White hasn't been since since August third when she ran away from a family member while the two of them were at a Bossier City restaurant.  She's white, stands about five-foot-two, weighs about 170 pounds, and has brown shoulder-length hair, brown eyes, and braces on her teeth.  If you should see Amber White or know where she is, you're asked to call Bossier City police.