How to approve inquiries from the Booking Engine and Google Travel?

On the inquiry page

You can go to Reservation and click on the inquiry you wish to accept.
On the top of the Inquiry page, you can see a green "Approve" button.

You can also approve the inquiry by editing the reservation and selecting the reservation status as "New".

Inquiries are displayed in yellow.

You can use filters to only show inquiries.

Select the inquiry you want to approve and then click on the approve button

You can use filters to only show inquiries. (Filter > Status > Inquiries)

Scroll down to see the Cancel and Approve buttons