[...Good lord, Hubert, Flayn almost wonders if he's been caught on fire when he jolts away like that and straightens himself out. Flayn straightens her own clothing out too, though she really doesn't need to.]

I do thank you for your quick thinking. I would most like for us both to avoid trouble.

[...]

But please, if you are ever to have need to do such a thing again, would you kindly warn me? I must admit, you did frighten me for a brief moment--I simply wasn't expecting you to be so adept at such a thing...

[Flayn figures that her accepting the apologies is something obvious, so she doesn't say it outright, but she does focus her look on him after she says that.]