show (one) to (something or some place)
To escort, lead, or direct one to some particular thing or place. The security guard showed the troublemaker to the door. Please present your ticket to one of the ushers, and they will show you to your seat. Please show the guests to the dining room.
show someone to a seat
and show one to one's seatto lead or direct someone to a place to sit. May I show you to your seat, sir? The ushers showed us to our seats politely and efficiently.