You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: My name is Charles Wilson, I want to cancel my reservation due to my bad health, Can you help me with cancellation?

ASSISTANT: I am here to help you about that Charles Wilson.

USER: Thank you.

ASSISTANT: Please wait for sometime to check the reservation status with your name in our booking list.

USER: Ok.

ASSISTANT: I regret to say this Charles Wilson, there is no active reservation with your name to cancel the reservation.

USER: Thank you for the information.

ASSISTANT: You are welcome, thank you for reaching us.