@Bill405 When it comes to a birth, it's pretty difficult to anticipate when the baby will decide to come- it could be earlier than the due date, it could be later. So while they may want out of the booking 6 days early, they could just as easily need to extend it (if you have availability) for 6 days. There are also cases where the newborn needs to be kept in hospital for some time for observation after the birth. So unless this woman has already gone into labor, or has a scheduled Caesarean, I wouldn't try to anticipate them cancelling early at this point- just deal with it when the time comes.