You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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 Margaret Allen.

ASSISTANT: Ok, please wait.

USER: Ok.

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

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.