the.com/no show
the reservation that ghosted, taking your table and its dignity with it.
means a person who books, reserves, or promises to appear and then simply doesn't, without cancelling or explaining.
from aviation and hospitality jargon from the mid-20th century, coined to track passengers and diners who booked a slot and vanished, costing airlines and restaurants real money.
airline mathairlines overbook flights expecting no shows
restaurant costno shows can sink small restaurants' margins fast
dating slangnow also means standing someone up entirely