1. Please read what type of shortcodes you are want to insert here
2. Open for edit your theme (PHP) file. For example: single.php.
3. Insert this code for showing booking form

<?php echo do_shortcode("[booking type=1 nummonths=1]"); ?>

where instead of this shortcode: [booking type=1 nummonths=1], can be any other shortcode from the point #1.
4. save the changes in the PHP file.