When sending data, the book successfully. The e-mail will notify you that the hotel had already received information and hotel officials are rushing to tell book results back to your email notification.
When sending the book already. Will email you to let you know that there has been information. And the staff of the hotel will immediately inform the reservation back to the email you have provided.
When sending data book. There will be an email inform you that the hotel to get information. And the staff of the hotel will inform the book back to e-mail you inform.