"If you'll excuse me for a moment, I've got to attend to something."

Then he excused himself for a moment and stepped into the next room.

Would you be so kind as to excuse me for a moment?

You won't mind if we excuse ourselves for a moment?

If you'll excuse me for a moment, I will explain to them.

"If you will excuse us for a moment, there are a few matters we must discuss."

I hope you ladies will excuse me for a moment.

Finally the personal assistant said, "If you'll excuse me for a moment."

"Excuse me for a moment" I said, getting up from the table as our drinks arrived.

She asked them to excuse her for a moment.