What kind of urgency did you create, if any? Do you have to meet with him because you have a deadline of some sort coming up that you want advice on? If not, there is no urgency, and that's okay. It just means that you have to be understanding about his priorities.
Until someone says NO, and tells you to leave them alone, you keep rescheduling. Also, don't put all of your eggs in one basket. Set up meetings with many people so you're not waiting on this one guy.
For more tips and articles by top entertainment industry career coach, The Greenlight Coach, visit www.TheGreenlightCoachBlog.com