Being Courteous
Spanish
de por nada

Its nothing. De por nada. De por nada is an informal way of saying youre welcome in Spanish.
hasta luego

See you later! Hasta luego. "Hasta luego" is a common Spanish phrase used to say goodbye.
la cortesia

Courtesy. La cortesa. It's the act of showing politeness and good manners in Spanish culture.
no hay de que

You're welcome. No hay de qu. "No hay de qu" is a common Spanish phrase meaning "you're welcome" or "it's nothing."