You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, may I know your name?

USER: Myself Nicholas Davis.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.