Second Interview for Receptionist

I was offered a second interview for a receptionist position at a big law firm in LA. My first interview was a get-to-know-you type thing just asking about past work experiences/strengths/availability etc. I have never been offered a second interview for a job before so if anyone could give me advice on what to expect would be great.

• I am a fresh graduate with a BS in marketing with a previous marketing internship at a law office. *

UPDATE: I GOT THE JOB