Sure, here is the translation:
Beatrice Hargrave arrived at the recording studio around noon. A few staff members were sitting at their stations eating boxed lunches, and they nodded at her as a greeting when she walked in.
Beatrice smiled and waved to say hello to everyone. Not seeing Alexander Zimmerman, she curiously asked, "Where's Mr. Zimmerman?"
One of the staff pointed his mouth towards the inner recording room, "In there."
Beatrice looked in the direction the staff pointed to. Behind the large glass window, Alexander was sitting in front of the equipment, adjusting settings.
She pushed open the recording studio door and went in, saying softly, "Mr. Zimmerman," Alexander glanced over with a displeased expression, speaking with equal harshness.
"It's so late and you're just arriving for the recording. Do you think this is your home, and you can come and go whenever you like?"
Beatrice...
