Calendar & Travel Manage the daily schedule, set meetings, and send reminders. Book flights, hotels, and plan trip itineraries. Calendar & Travel Manage the daily schedule, set meetings, and send reminders. Book flights, hotels, and plan trip itineraries. Communication Screen phone calls, sort emails, and reply on the employer's behalf. Act as the first point of contact for clients and staff. Administrative Support Create and organize digital or paper filing systems. Prepare meeting notes and reports. Track expenses, pay bills, and manage basic bookkeeping.