A "booking tool" refers to a software or application that allows you to reserve or book something, such as a hotel room, flights, or restaurant tables, conveniently and easily online. Full definition
Attractive flight discounts and a quick and easy online booking tool are available for all attendees. (oneworld.com)
Although some might argue that the exclusivity period is not the main interest to be locked in for 90 days, perhaps you can use the free book tool to your advantage. (bbebooksthailand.com)
With your open book tools on hand, you can do this quickly and with confidence. (lawyerist.com)