Complex sentence: When she gets to the airport she is met by Tony who tells her that he cannot go with her to Austria any more, he has discovered a message left for him by Neena, revealing her feelings and wishing him happiness in his new life.
Split into simpler sentences: When she gets to the airport, she is met by Tony, who tells her that he cannot go with her to Austria anymore. He has discovered a message left for him by Neena, revealing her feelings and wishing him happiness in his new life.