In the section Front page section “Header” you can change slider and booking form.

Slider

You can choose the type of slider and select the filter color for the slider images and it transparency::

You can add image, text, button text and button link to every slide. You can add 5 slides in slider:

Options

In part “Options” you can select the position for booking form (here you can see booking form in center):

Here you can see booking form on right:

Here you can see booking form down:

Here you can see booking form in the center:

If you want you can add panel with telephone number under slider (The telephone number will be taken from data that you wrote in WP Hotel Booking -> Settings):