Click on Settings
Click on Booking Platform
Click on "Links" to get the URL of your Booking engine
Click right on the link
Click on Copy
Click on "Create a call to action"
Click on this Box to choose your button
Click on "Reserve Now"
Right click on this Box
Click to paste your link
And click to create your call to action
Click on "Reserve now"
Then click on "Test Button"
There you are on your Booking engine!