You can use Clone option, if you want to make a booking for your privious guest. This way you don’t need to enter all the details from scratch. You may prefer to create separate invoices for the upcoming bookings.
Step 1: In Settings-> Organisation Configuration, under Invoice & Xero Configuration, select Generate Separated Invoice for Cloned Bookings box.
Step 2: Click on Save button.
Step 3: After enabling the option in Organisation Configuration, , separate invoices will be generated when you clone a booking.
Step 4: In booking page, click on Finance -> Download PDF Invoice option to have access to invoices in one PDF file.
NOTE: You also have access to separate PDF files of the invoices in Finances-> Guest Invoices and you can send them separately to the guest.