Determining and conveying availability information regarding a user may be accomplished by a variety of techniques. In one general implementation, determining and conveying availability information regarding a user may include determining an availability intent for a user of a user interface device, determining at least one availability desire for the user, and/or determining an inferred availability state for the user. The availability intent, the availability desire, and/or the inferred availability state for the user may be used to determine a composite availability state for the user, and the composite availability state may be conveyed to a remote server system.