Hello Hafiz,
We totally understand the importance of taking your exam using the exam voucher.
Assistance in making changes such as rescheduling, cancellation, refund request, re-applying discounts and checking available dates to schedule a test, please contact the exam vendor directly since they have access to your appointments.
Kindly contact Pearson Vue Support directly for the open time and date to reschedule your exam.
Or if the exam was scheduled from PSI:
LINK: https://psi-cdexp.zendesk.com/hc/requests/new?ticket_form_id=360001044112
For immediate response from PSI Candidate Care telephone numbers please contact:
US/Canada (toll free): 855.340.3887
US/Toll number for International Callers: 858.875.3686
You may also review Exam reschedule and cancellation policy page for more information.
If this solves your problem, please indicate “Yes” to the question. If your inquiry was not fully resolved, please post a new question so we may continue in assisting you. This case will now be closed and locked.
Regards,