A third voice coupled with a third face to see in the tablet. Riza didn't reply, instead just picking up the devise and spinning around at the sound of the previously invisible door opening. Black Hayate yipped in response while Riza's first action was to leave that room. She didn't want to give it a chance to trap her inside again. Her dog followed at her heals.

"Taxon?" She looked back at the 'tablet.' "I've never heard of it. It's certainly not a part of Amestris." She's asking you for an explanation here. How she was under Central Command not ten minutes ago and suddenly being transported to another place entirely was beyond her.