There are times when you may need to modify your reservations with Hilton, you can do that by going to the website of Hilton Hotels. In case you don't know how to do the changes, you can follow the given steps:
First of all, go to the website and choose the Hilton Hotel and Resorts reservations link.
Then you need to select the View, Change, or Cancel a reservation section.
Also, you have to provide the confirmation number, last name, or last four digits of the credit card used for payment.
In this way, you can retrieve your booking; choose the action that you want to apply to your Hilton Hotel reservations.
And by following the instruction complete the process.