Phone - You can talk to support by picking the number for the appropriate country
https://support.microsoft.com/en-us/help/13948/global-customer-service-phone-numbers

Chat - You may try chatting with MS Support to resolve this issue
https://partner.support.services.microsoft.com/en/contact/menu/msa/
If using chat, you can tell the AI that you want to talk to a live agent.