No, Jason does not kiss Mia in front desk.
Location of Jason and Mia's Encounter
The incident in which Jason kisses Mia occurs at a restaurant. During this scene, Mia is depicted putting on a necklace when Jason leans over and kisses her on the lips without her consent. This action leaves Mia stunned. Following the kiss, she removes the necklace, places it on the table, and leaves the restaurant, leaving Jason alone. The detailed description of the setting explicitly points to a restaurant environment, not a front desk.
