Mission Completed ?

An individual sneaking away from the eyes of the common populace appeared at the door of a busy restaurant. This diner was overcrowded with customers, and most of them were being served by high-speed robots. Crey observed the whole place quickly and with a sudden movement a serving robot slipped close to him.

"Welcome Esteemed customer! Can you please follow me to the empty table? We are …."

"Okay! Okay! But first I need to visit the washroom. Can you lead the way? "

The robot, shaped like a vertical board with tires, chimed loudly, 

"Sure! follow me, Customer."

Crey dipped his hat a little consciously, as he was trying to avoid two cameras - one in the open, another hidden, in the restaurant. He quickly followed behind the robot to the bathroom when suddenly he halted and ditched the path midway. 

The robot sensing that the human behind it had taken a wrong turn stopped and turned around quickly. It yelped in a controlled voice,