You have no form in your booking page! Just the fields, but no form.
And you have used the guestbook as a contact form in your contact page!!

You don't need to install anything, you simply need to read (again) carefully the form tutorials and follow the instructions on the letter.

__________________
Navaldesign
Logger Lite: Low Cost, Customizable, multifeatured Login script
Instant Download Cart: a Powerfull, Customized, in site, DB driven, e-products Cart
DBTechnosystems.com Forms, Databases, Shopping Carts, Instant Download Carts, Loggin Systems and more....
Advanced BlueVoda Form Processor : No coding form processor! Just install and use! Now with built in CAPTCHA!