What should i bring on carry on, what can't i bring, and what counts as stuff that has to fit in a baggie?

im leaving tomoro morning and i need help packing! what things should i put with me on my carry on bag?? my shoes? clothes? i dont even know but im bringin a pretty good sized duffel bag. also can i bring my own water bottles with or snacks from home? also, would like lotions and face creams count as things that have to be less that 3 oz and fit in a quart bag? please help!!