This is good (especially if you're the appellee/respondent).
If you've hit everything you need to hit, and there are no additional questions from the panel:
"If there are no further questions from the panel?" [beat] "Thank you very much for your time. We urge you to [relief sought]." [sit]
An exchange from CA5 oral arguments today:
Lawyer: Okay. I feel awkward walking away with some time, but I'm not going to waste your time.
Court: We feel grateful when you walk away.
Lawyer: I should have done it a little earlier.
Court: It's a sign of assurance. Thank you.