You can easily request a password reset link following these steps:
Go to the Charlie login page
Input your company domain (if you are unsure of your company domain you can check with your company admin or your line manager)
Click on the 'forgot your password' link below the login box
Enter your Charlie login email address
You will then receive a password reset link, just click the link to enter a new password
Having trouble remembering your login email? Your line manager, team lead or company admin can find your login email on your personal details tab of your profile.