Hi Wan
The card is already charged.
You need to cancel the appointment, after that contact the support to let them know and accelerated the refund.
Log into your account → Manage plan → Appointments.
Here you will be able to see a complete list of all your past and future
click on Cancel.
On the next screen, confirm that you wish to cancel this appointment by clicking Cancel again.
Source: https://fizz.ca/en/faq/how-do-i-manage-appointment-techni...
The refund process can take couple of week, but only the support can help you
You can also contact customer support by chat
1- Click on this link: https://fizz.ca/en/faq/how-do-i-manage-appointment-techni...
2- The green chat bubble with the ? should appear after a few seconds in the bottom right corner.
3- Click on it, and select chat if available, or any other option
