Here is the page of Reservations.com merchant
Reservations.com
20 Miles per $10

Reservations.com

When will I get my Miles?

PurchaseToday
Tracked within i5 day(s)
Awarded within i105 day(s)
Rewards are not awarded on the following bookings: Group reservations, rental car accommodations, any reservations reserved through the Reservations.com call center, and R. Club loyalty member purchases.

***
Rewards are not calculated on postage / handling / delivery costs or associated purchase taxes in your region (This may include but not be limited to VAT, GST etc).

About Reservations.com

Reservations.com is a next generation online travel marketplace with a mission to bring the human touch back to travel. With over 500,000 hotels and 24/7 call center support, we're not focused on reserving hotels -- we're focused on creating memories.