To request an appointment with an attendee, simply go to the Attendees List/Search. Click on the box next to the header, this will select all the respected categories and keep the search broad. Scroll down and hit Submit at the bottom. Click on the calendar icon on the far right of the selected attendee's name.
Select a date and time that works with your schedule.
Select a location from the dropdown menu.
Enter a short message explaining why you would like to meet.
Click on the "Submit" to send the appointment request.