When beginning the iCal integration, first visit airbnb.com and make sure that you are signed into your profile. Then, click on 'Host' and select 'Calendar' from the drop down menu.
Next, go to 'Availability settings'.
Then, click on 'Export Calendar' under the 'Sync calendars' tab and copy the URL given to you.
Finally, go to MyAdmin - Guest Connection and paste the URL into the 'Airbnb Calendar Link' and click 'Connect'. Now you can see all your reservations from Airbnb in MyAdmin.
Congratulations, you are now finished!