1. A polite response to a greeting or farewell:
* "Buenos días." - "Buenos días, mismo a usted." (Good morning. - Good morning to you too.)
* "Hasta luego." - "Hasta luego, mismo a usted." (See you later. - See you later, same to you.)
2. A polite response to a kind gesture:
* "Gracias." - "De nada, mismo a usted." (Thank you. - You're welcome, same to you.)
3. A playful or ironic response to a comment:
* "Que tengas un buen día." - "Mismo a usted, pero en serio." (Have a good day. - Same to you, but seriously.)
4. An informal way of saying "you too":
* "Feliz cumpleaños." - "Gracias, mismo a usted." (Happy birthday. - Thank you, same to you.)
In general, "mismo a usted" is a friendly and polite way to reciprocate a sentiment. It is similar to saying "you too" in English, but it can also be used to express a sense of humor or irony.