Subject: My Amazing Vacation!
Dear [Friend's Name],
Thank you so much for your lovely letter! I had an incredible time during my vacation in Italy. I explored beautiful cities like Florence and Venice, indulged in delicious pasta, and immersed myself in the rich culture. Every moment was a new adventure, and I met some wonderful people along the way. I can't wait to tell you more about it when we meet!
Best wishes,
[Your Name]