It's a movie about a woman who's going on a plane to Miami, she meets this guy in the line and thinks he is nice. But when they get on the plane she finds out that he really needs her to make a call to the hotel she works at so she can get this rich guy in a certain room. The guy that made her make the call is an assassin and is going to kill the rich guy. She has to make the call or her father will die. She then tries many ways to get out of it. She ends up saving the rich guy and his family.

Try this:
Red Eye (2005) - IMDb (http://www.imdb.com/title/tt0421239/)