Bookings when first saved (once the booking has a "Booking Number" it has been saved) the status will be "New/Incomplete".  Incomplete bookings cannot be scheduled.

Indicate the booking is "Ready to Schedule" will trigger validation checks that the required information is there - and the booking will move to "OK".

State is required in order to select a rate.

Booking will be incomplete until Marked as Confirmed.  

Marking as confirmed does validation checks and once confirmed triggers an email to the Agent with the booking details.