What To Do When a Friend Says They Are Suicidal

Not long ago I was walking out of Bed Bath and Beyond with my friend and one of the workers said, "my daughter is one of those suicide girls" and my friend replied, "like one of the models?" The worker replied, "No. She is obsessed with the idea of suicide." Neither one of us knew what to say after that. We looked back at the man and just told him to get her some help before she does...