Thank You for Your Hospitality: What to write thank you notes. Always send a Thank you message for hospitality after you’ve been hosted by a family member, friend, brother, or sister. Thank you for your help. Your hospitality doesn’t have to be hard to do. If we write a simple note, it will go a long way towards saying “thank you for being so kind to us.” People might invite you to dinner, stay the night, or host you for a while.