All she wanted to do was just call him right away but she could do nothing when James didn't pick it. So the other thing that she could do was just walked downstairs and met other people because Anna's crazy theory still stuck in her head.
Daniela also didn't want to meet Anna again because it would make everything worse just by staring at her face. Her calm and innocent face would make her felt guilty for doubting her but her head was still normal and she couldn't believe the theory without any proof.
Without any doubt, she walked downstairs with her pajamas and phone in her hands if James replied to her messages. At least she walked out from that place and did something else than stared at the ceiling with her phone that no other notification came except an email from the client that always looking for her body.