A Booking ID is a unique identifier that links a party (and current Hostess) to a previous party (and Previous Hostess) from which it was booked. The Booking ID is created during the party entry process when you enter each guest's information. You will simply indicate that a party was booked by the guest and provide the booking date.
The Booking ID enables the previous hostess to purchase the Hostess Shopportunity at the parties booked from her party when they are held within two months of the original party. To find a Booking ID you have previously created, you can select the Lookup a Booking link on the Hostess Information screen. It is very important to enter the previous Hostess's name exactly as it was entered originally. When the Booking ID recognizes the previous Hostess's name, the words, 'Previous Hostess' will show beside her name. Then you will select the Previous Hostess Shopportunity in the dropdown to add the item to the order.