The phrase "ability to reserve" is correct and usable in written English.
It can be used when discussing someone's capacity or skill to make reservations, whether for a table, a hotel room, or any other service that requires booking in advance.
Example: "Her ability to reserve a table at the popular restaurant on short notice impressed everyone."
Alternatives: "capacity to book" or "skill in reserving".
The ability to reserve network bandwidth is a critical factor for the success of high-performance grid applications.
"What I loved most about him was his ability to reserve his best Test match performances for Headingly, where the Yorkshire members used to detest him.
Several executives suggested that new features, like variable pricing or the ability to reserve specific seats, might make a service fee more palatable.
For food, Zagat to Go ($10, for the iPad) covers 34 mostly domestic destinations, with a nifty location-specific search function and the ability to reserve tables.
And soon, we will have the ability to reserve charging locations or see if such a station is occupied before arriving.
(Parking Panda lists parking in other cities, like New York and Chicago, but doesn't offer the ability to reserve spaces in advance and pay for them; you have to go there and pay in person).
The model incorporates the ability to trade energy and ancillary services with the main-grid, including the designation of firm and non-firm imports, which captures the ability to allow for reserve sharing between the two systems.
Thazhmon offered a few examples of what this functionality can bring, including one-click shopping, the ability to book flights and reserve hotel rooms, and more.
I asked the British psychologist Paul Thorne whatever happened to his people's famous reserve, their ability to hold it all in forever.
Among the principles for which the United States purports to stand is the "rule of law," but it is very handy to reserve the ability to reconstrue a word in a law that might otherwise be too constricting on a democracy- and rule-of-law-loving nation.
Other studies have found that including the availability of reserves, or ability to swap reserves for more favorable ones, in the future can increase the efficiency of conservation [20], [21].
