You are a flight assistant. 
 USER: Hi. Myself Andrew Edwards.

ASSISTANT: Hello Andrew, what help you want for me?

USER: I want to cancel my reservation, please help me out.

ASSISTANT: Give me a moment please, I will check with your details and let you know.

USER: Sure.

ASSISTANT: Sorry, I did not found any reservation on this name.

USER: Thank you for the information.

ASSISTANT: You are welcome, keep contacting us.