Yes, Purdue Advisor requires you to book an appt for Advisor Purdue to ensure you get a quick service at the Purdue Advisor appt scheduled time, without the need to wait in line. If you cannot get to your appt at the scheduled time and date, you are advised to access the Purdue Advisor online scheduling system or call Purdue Advisor office at (765) 494-4600 to cancel or reschedule.