You can actually take other player names is they haven't login long enough and have low playtime source: trust me bro
// well it not actually "take" but reset their name.
you can as support to free that name but
you can't ask them to set your name to new name. .. i think ?
atleast that what happen to me
i ask my name to bet changed to dishonored but instead they free that name and
i had to manually change my name in my account profile.
so if someone took take name before you get it.. i guess the name is gone