You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, may I know your name?

USER: I am Brandon Wright.

ASSISTANT: Please wait for a moment to check your details.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found on your name in my records.

USER: No problem, thank you for the checking.

ASSISTANT: Thank you for reaching us.