You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Sure, may I know your name to proceed?

USER: Myself Donald Mitchell.

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

USER: Ok.

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

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.