"Unless someone from over there requests our assistance, it's not our business," Shiranui replied before he got called to retrieve his Pokémon.  At that point a female voice chimed in, "Shiranui-kun, long time no see."  The voice belonged to Aya of the Fuchsia Gym.
"アヤちゃん、どうぞよろしく、*" Shiranui replied.
"Rotom is waiting outside for us," Aya stated, "Don't keep it waiting."  With that, Aya left the Pokémon Centre.

* Translation: Likewise, Aya