You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Myself Michelle Allen.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: Not an issue. Thank you.

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