You could receive enquiries from the Booking Engine when you have restrictions in your setup. You can view enquiries within the Enquiries tab of the Booking Engine tile, via Home.
More information on the topic is available in the tutorial, 'What is an enquiry for a same-day booking?'
How you view a booking enquiry
Go to 'Booking Engine'
Scroll to the Content section on Home and click on the 'Booking Engine' tile.
The page will open on the 'Online Booking' tab.
Click on 'Enquiries'
Select the 'Enquiries' tab.
The enquiries will be listed, starting with the most recent enquiry