account is locked, no email sent after using forget password link

Dear Sir/Madam, I am applicant Chu Wing Long, the link I used to login to book the appointment did not work, after I tried to log in, it said my account was locked. It instructed me to use the forget password link to unlock my account but there is no email being sent to me, please help me to unlock my account, now I cannot process the application and book for the appointment and prepare my documents. Thank you. My email is *** Regards, Chu Wing Long