Harry Potter and the Prisoner of Azkaban has genre Young-adult fiction. Young-adult fiction has examples: The Outsiders
[Human]: Could you recommend a movie similar to Harry Potter and the Prisoner of Azkaban> [Assistant]: Definitely! It has a next in the series called Harry Potter and the Chamber of Secrets, but if you want something not in the same story I can recommend; The Outsiders, The Running Man, or The Fault in Our Stars. [Human]: I have heard The Outsiders is a great movie. Who is in it? [Assistant]: It is! It stars William Smith, Tom Waits, and Tom Cruise. You should definitely watch it!  [Human]: I think I will. Thanks for the recommendation. 
You're welcome, enjoy! 