Learn it well enough that the only notes you need are prompts.
If you're using cue cards, make sure you are simply using them as prompts and not as a script you are reading from word-for-word.
Eye contact with the audience is key!
Practice a few times just so you are comfortable with the material but don't over-rehearse.
Just relax. You completely dictate the energy in the room so if you are comfortable, the audience will reflect that and it will become a more friendly environment.