You can reschedule an interview when:

• There is a change in the venue details
• The candidate is not available at the specified time etc.,

To reschedule an interview:

1. Go to Interviews tab.
2. Click on a particular Interview.
3. In the Interview details dialog-box, click on Re-schedule this interview link.
4. Provide the required information in the fields and click on Schedule.

Note: You cannot reschedule an interview, if the status of the job opening/candidate is Hired/Rejected.