A system and method providing an accessibility tool that enhances a graphical user interface of an online meeting application is described. In one aspect, a computer-implemented method performed by an accessibility tool (128), the method includes accessing (802), in real-time, audio data of a session of an online meeting application (120), identifying (804) a target user, a speaking user, and a task based on the audio data, the speaking user indicating the task assigned to the target user in the audio data, generating (806) a message (318) that identifies the speaking user, the target user, and the task, the message (318) including textual content, and displaying (808) the message (318) in a chat pane (906) of a graphical user interface (902) of the online meeting application (120) during the session.