The third - and final - of the smaller races, Halflings sacrifice the dwarven and gnomish boon of hardiness for agility, boasting a +2 bonus to Dexterity and Charisma, at the expense of Strength. This makes them similar to the gnome in many respects: they’re relatively poor choices for melee combatants (although Rogues with Weapon Finesse can still be quite effective) but great ranged combatants.

In particular, their attributes ensure they’ll excel as Rogues (again, ranged or melee works fine - Sneak Attacks and Weapon Finesse overwhelm the Strength penalty), Sorcerers, and espescially as Bards. Suffice to say, Halflings are more or less ideal for support roles in an adventuring party, something your companion Linzi will exemplify.

With skill bonuses to Athletics, Mobility and Perception, and a natural bonus to all saving throws, (particularly against fear), there’s a lot to recommend the Halfling in a support role. Keep in mind, however, that as spellcasters the Gnome’s racial traits make them superior, making the gnome the superior sorcerer… spell selection being ideal to make use of those strengths, of course.