You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Andrew Wilson.

ASSISTANT: Andrew Wilson, how can I aid you today?

USER: I would like to cancel my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for accepting my request.

ASSISTANT: Hold on for a moment. Let me check.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry Andrew Wilson, there are no flights reserved on your given name formerly.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.