How can I improve communication with my investor?

I am currently pitching to an investor who approached me to create business plans and ideas. He wants to help his (and my) home region, which is a very depressed area. Since the initial talk, conversations with his representative have been scarce and brief. I have created an agricultural business plan that I am certain he will like, based on our conversations, and I have sent it to him, but every time I request a meeting it either falls on deaf ears or I am told that we will have a meeting when his schedule is less hectic. How can I get through this and communicate with him more effectively? This is my first time dealing with angel investors. At this point, I would rather hear him refuse to invest than be put off much longer. By the way, all communication, other than the…