Responding to someone who sends a greeting like "Good Morning" or "Have a Nice Day" without expecting anything from you can be a polite and friendly gesture. Here are some possible responses:
"Good morning! Thank you for the warm wishes. I hope you have a fantastic day too!"
"Hello! I appreciate the kind words. Wishing you a wonderful day as well!"
"Thank you for the positive vibes! Have a great day ahead!"
"Hi there! It's always nice to start the day with such a cheerful greeting. I wish you an amazing day too!"
"Greetings to you too! Your message brought a smile to my face. Have an awesome day!"
Remember, it's always good to acknowledge and appreciate the kind gesture, even if the other person doesn't expect anything in return. A friendly response can foster a positive and pleasant atmosphere in your interactions.