Dear [Guest Name],
Welcome to our charming home! We are very excited to welcome you soon to our lovingly furnished room. Your stay with us will surely be unforgettable, and we are always available to make your stay as pleasant as possible.
Please do not hesitate to contact us with any questions or requests. We look forward to getting to know you soon and showing you our favorite places in the city.
P.S. We will send you the arrival information and further details shortly.
You can set this message as a scheduled message on Airbnb, so it is automatically sent to your guests as soon as they have booked. Here you can find instructions for that: https://www.airbnb.de/help/article/2897. It's a great way to immediately provide your guests with all the necessary information and welcome them.
Good luck with your listing!