Good lord- this is not intuitive, but here you go:
1- go to your profile icon in app, scroll down and click the “View” under availability
2- calendar screen will appear- click edit in top right
3- scroll down to section for “my sitter profile” and open that
4- click the “manage availability” green text
5- add dates you ARE available- note that the calendar will auto-mark you unavailable for any agreed sit dates you take within that timeframe.
But also- we get invites from people that don’t look at our calendar either- so I don’t know what search they are running to look for sitters.