Login to your Steward Dashboard. From here click on the Calendar tab at the top of the page, in between Messages and Reservations.
You will be taken to a monthly overview of your calendar. Click on Reservations Calendar on the left side, underneath the Search Bar. A drop-down menu will appear. Click on Pricing & Availability.
You will now be able to click on specific dates on your calendar. Make sure the correct listing is chosen on the left side. Then click on any date on your calendar you would like to make unavailable.
A pop-up will appear titled Quick Settings. Check the box for Unavailable, and click Save.
The date you have selected will now be Unavailable for bookings.