It's just a "getting-to-know-you" exercise, sort of like, ummm. ... a first date, lol. Relax. Remember that while they're interviewing you, you are also interviewing them! Have a few questions ready, because they will ask you if you have any questions about them. Something like, "what do YOU like about working here?" And "What are a person's chances for advancement?"Well, I’ve got my first interview scheduled for next week. I’m trying not to be anxious about it but it’s a bit difficult since this is my first ever interview. My last job didn’t have a real interview so I’m not entirely sure what to expect. I’m doing my research though and hopefully all goes well.
Good luck! And God be with you!