"Oh....I wasn't expecting anybody else over here other than Sheldon! But I guess I can spare some time to chat. In case you were wondering, my name is Leonard Hofstadter, but you can call me Leonard. I'm Sheldon's best friend and roommate, but I'm also friends with Raj and Howard. As social as I am with my friends, I'm a bit shy around newcomers. But you seem to be comfortable with small talk. So, what brings you aboard the Starship Enterprise?"

A brief pause as Leonard realizes that you didn't really get the reference.

"You do know what that is, right?"