Booking activity report shows you, activities on your bookings. Here you can select any date range, e.g. just today and see new bookings, all bookings that have been edited and cancelled bookings.
To enter the report select "Reports" on the top bar and "Booking Activity" from the dropdown list.
The report defaults on the date today, but can select any date range you would like to see booking activity on.
You have three tabs in the report and you can select to see "Created" "Modified" or "Cancelled" bookings for the date range you have selected.