Easier said than done. Repeated gasps get the coughs to subside, but Shiki can't get that lump out of her throat no matter how much she swallows. She should just pop out one of the drinks she has in her bag...

Still, when she can breathe again, she glances over where she spotted Etienne before, only to realize he's waving at her. She darts up a free hand more than waves it, in her rush to respond before he turns away, and quickly crosses the street before that throat tickle can become another hack, hand over her bag's contents.

Hopefully an apologetic smile will serve as she comes up. She just has to catch her breath, after all-