Hartla was a dabo girl at Quark's on Terok Nor during the Cardassian Occupation of Bajor. She was still working there as of 2370. One of her special clients was a Cardassian officer named Boheeka.

When Quark contacted Boheeka about a clandestine deal he wished to make, Boheeka reminisced about missing Hartla. When Quark suggested the feeling was likely mutual, Boheeka agreed, but not for the same reasons, observing that she would have bankrupted him had the Occupation lasted longer. (DS9: "The Wire")

This character was only mentioned in dialogue.
The Star Trek Encyclopedia (4th ed., vol. 1, p. 324) spelled her name as "Haltla".
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