You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Ok, may I know your name?

USER: Sure, my name is Michael Allen.

ASSISTANT: Sorry, no reservation found on your name in my database.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.