The Open Table Divi Module allows you to place a booking form on your Divi powered Restaurant website using a native Divi Module.
Its very easy to use and incorporates a number of features to customise how your embed your reservation Widget.
It includes 4 layout options, Standard , Tall, Wide and Button styles so you can fit the tool into your design.
Alignment is also available and you can even change your language on the Module.
Take a look and if you use Open Table with WordPress and Divi this is a completely free solution to integrate bookings on your website.