At the end of the movie, a guy was looking out of the window and saw a plan is flying towards him. Supposedly he was in one of the world trade center towers. What's the name of the movie?

Remember Me (2010)
Wikipedia synopsis excerpt:
Charles (Pierce Brosnan) asks Tyler (Robert Pattinson) to meet with him and his lawyers at his office. Charles takes Caroline to school and is late, so Tyler waits in his office, where he sees, on Charles's computer, a screensaver of pictures of Tyler, Michael, and Caroline when they were younger, indeed showing that although he is always away, he cares for them. After Charles drops Caroline to school, she sits in her classroom, where the teacher writes the date on the blackboard as September 11, 2001. Tyler looks out at Manhattan from the window of his father's office— which is located in the North Tower of the World Trade Center.

http://en.wikipedia.org/wiki/Remember_Me_(2010_film)