Is this possible to redirect the traffic from Google Travel to my own website?
Of course, you can redirect your potential guests directly to your own reservation website. See the detailed instructions at Traffic redirect.
Is this possible to make a reservation for more than one property through Rentals United Book Direct?
No, there is no such an option while in the reservation process at Book Direct.
How to find the properties listed on Google Travel?
For more information, please see the material below.