Booking form example.
Please note, the selections of the dates in calendar is working as a range days selections in 2 mouse clicks (in original demo version, the way of selections is possible to change at the General Booking Settings page). Firstly, you are need to select (click) the check in date, and then select (click) the check out date. All middle dates are select automatically. If the middle days have the unavailable days, so then selection is reset.
(This booking resource configured in season filters to have unavailable first 2 weeks of next month.)