Auto-Repleasantry
An automatic reply of "you too" to a pleasantry when it doesn't apply to the other person.
I gave the guy at the front desk at the gym an auto-repleasantry when he said "have a good workout."
EXAMPLE:
Ticket-taker at movie theatre: Enjoy the show.
Me: You too
EXAMPLE:
Ticket-taker at movie theatre: Enjoy the show.
Me: You too