I'm INFP
I'm not very familiar with what traits people generally associate with the four elements, but I'd probably go with Air because I've always thought of myself as mainly immaterial thoughts and imagination and feelings with a bit of a disconnect from physical existence. I'm not really sure what other people associate with air, though I think I've heard shifting and inconsistent which I don't particularly relate to.
However, I have always liked Water, it's pretty, it's flowy, it's nice to float in and move through, but it kind of has a 'cold' connotation to me and is always depicted with blue which is a color I don't really like. It also seems associated with melancholy & tears and although I can have deep, sad emotions at times, I don't see that as a defining part of me that I 'Identify' with. I can see how it might be representative of someone who is accommodating and adaptable, and I'm somewhat that way - so I guess it could 'fit' as well.
Earth... when it's depicted as rocky, brown, solid, reliable, unchanging I'm not too attracted to the idea, I don't think many people see me as dependable, although I do highly value internal consistency - I am still very much the person I always have been since childhood, I may add on additional interests or shift slightly on certain views but I don't feel I've changed drastically - no moments of 'reinventing' myself or anything like some people talk about. I'm 'down to earth' in the sense of being genuine, but I'm not really practical in a hands-on sort of way. When Earth is depicted as green growing things, then I'm more attracted to the idea, I love trees and plants, but I still feel like I'm more 'airy fairy' at heart.
Fire is something I'm slightly phobic of, so I definitely don't feel drawn to this one. Now, in the sense of having strong emotions, or a fire driving me on the inside, or being warm I guess I do relate to that, but fire itself is much to scary to me, it's just kind of Overload, too vigorous, too hot. It feels wild and dangerous and those are things I do not relate to at all.