You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself George Williams.

ASSISTANT: How may I aid you?

USER: For some personal reasons I want to cancel my reservation, can you please help me?

ASSISTANT: Sure. Please give me a moment to check. Sorry. There is no reservation found on your name.

USER: It's ok.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for the information.