Same Day Reservations Rooms cannot be booked online for the same day - contact the Reference Desk at 515-222-3403 for same-day options. Toggle Filters Room Type AnyMeeting RoomStudy Room Start Time Date Time Duration - Select -30 minutes1 hour90 minutes2 hours4 hours Select a time and duration for your reservation. Use the filter to set a start date, start time, and duration for your request. Click or tap the “Apply” button to search for available rooms. Alternatively, you can find an opening by room instead.