How do I change my availability in calendar?

On your calendar, click on the first date that you want to be unavailable. You will get a popup window . The date on the left is the first date you want to be unavailable. If you want to extend that, click on "Specify and End date" then select the last date you want to be unavailable. Below that, it asks how many dogs you are available to host. Click on 0, then click on Update Availability. Those dates will now show up as red on your calendar. To go back to being available, repeat that process, except click on the number of dogs you want to host. Your calendar should turn back to green as available.