A new hire appointment is your initial appointment after you have applied.
In order to reschedule your new hire appointment please follow these steps:
1. Login to your candidate account at amazon.force.com
2. Click on the Menu in the upper right hand corner
3. Click on 'Jobs I've Applied To'
4. Under 'My Appointments', click on the 'Action' button next to your scheduled appointment
5. Click on 'Cancel'
6. Refresh your page and click 'Please continue your application'
7. You can now select your shift preferences and schedule a New Hire Appointment. If there are no appointments available, you will not be able to reschedule your appointment at this time.