You import reservations from other channels or your personal calendar using iCal links. You can also send automated messages to these guests. Follow the steps below to add an iCal for a channel we do not support to Host Tools.
Click on your profile picture in the upper right-hand corner.
Scroll down to the listing you want to import reservations to.
Click the "Settings" button next to the listing.
Add the iCal link in the text box under "Import Calendars"
You can add multiple iCal links to each listing.
Read this article to learn how to manually add reservations to your calendar.