[When Selphie feels the Flare coming her way, she dashes the building where she'd posted the message from. The sound of broken boards can be heard as Selphie makes her way to the second floor. If there's any way to get the attention of a big badass Guardian Force, it's to toss a high level magic spell at it right? Eventually, the perky brunette pops up out of second floor window before she starts making her way toward the roof. Next thing you know, Selphie's casting the Flare spell at Griever before she leaps off the roof and lands near Squall.]

If that doesn't get his attention, I dunno what will.