wow, that's gonna be a quick trip! I wish you all the luck in the world! I remember when I came to my job for my interview. It was between me and 3 other people. I just knew, with my luck, there was no way I was going to get the job, but luckily I did. I think the main thing's that helped me were how I was acting very interested in every aspect of the company (which I really was), I showed a good interest in the work I was going to be doing, and high recomendations from my teacher. Try to do the same, and be confident in yourself, and you should do fine. Remember "you can do it!"