Sliding Doors

This movie was about a English woman named Hellen and her life splits in two. After she gets fired and is on her way home; one of her makes the subway, meets a nice guy and catches her boy friend cheating on her. The other Hellen doesn't make the subway causing her to get mugged, go to the hospital and not catch her boyfriend cheating on her. There is two of her but only one of everyone else in her life, and at the end they interact.