Database of Frequently Asked Questions and, perhaps more importantly, Frequently Un-Asked Questions.
You're not alone. Feel free to refer students to UI subject librarians and reach out to us yourself.
A reference interview is a conversation between someone seeking information and a library person who can help them find it. Often, information seekers can't initially articulate what they're looking for and in a good reference interview you can reassure folks and ask neutral and open ended questions to help them think about and explain what they actually need.