詐欺？出金できません。

I opened an account via an agent. The name of the agent is Amanda Chen. I was offered to become a VIP customer and be exempt from tax when I was over $ 200,000. In response, I made a profit of over $ 200,000 and applied for withdrawal. However, the agent disappears and I can't get in touch and withdraw. There is money in the platform and it has not been taken away, but it cannot be withdrawn. Am I deceived? Can I withdraw money?