Weekend in Paris / Robyn Sisman.

Enhanced descriptions from Syndetics:

Molly Clearwater had always wanted to escape the confines of her small-town upbringing to make a splash as a career woman in London. But somehow, working as a low-level assistant for the boorish Malcolm Figg wasn't nearly as fulfilling as she had hoped-until Malcolm offered her a "perk"-a free weekend business trip to Paris. She's ecstatic until she discovers that Malcolm's idea of "business" isn't exactly the same as hers. Horrified, Molly storms out of the office. With nothing else to lose, she impulsively boards a train to Paris, intent on treating herself to a long weekend in the City of Light.

Within moments of stepping onto the cobblestoned streets of Paris, Molly is swept up in an adventure that defies her imagination. From infiltrating a conference in a Cleopatra wig to sharing her deepest secret with a complete stranger, Molly's weekend away from her troubles turns into a dizzying voyage of passion and self-discovery, transforming her absolutely...