Answer these questions, or use them as the content of the interviewer's interview. I believe you will benefit a lot from this interview. Don't just say "yes" to yourself mentally, but really know yourself clearly, that's the real "yes"!
As a part-time planner, be sure to ask about your previous experience. If not, I suggest you put a low profile and start with the on-site execution or planning assistant. Since it is a hobby, it is necessary to feel and experience.