Professionally ignore people with style.

You have contacted a person who is currently somewhere else on purpose. I am at an industry event and probably trapped in a breakout session. Bookings, shifts, and customer theatrics will continue without my live commentary. I plan to answer later, assuming the universe keeps me on the payroll. If the issue is urgent, call the venue rather than emailing into the abyss. Good luck, and may the workflow forgive us both.