the interview was very brief only took a few minutes. Basically as long as you were available you would get the job. They needed summer guys really badly and hired people who had the most availablility and dependability

Not very hard, just come prepared with your resume and well dressed. Knowing someone before hand is always helpful. If you can't get someone to vouch for you, if you don't have that just come off as very polite and how you give white glove service to everyone.