You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation due to some emergency issues, so please aid me to cancel.

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Brenda Anderson.

ASSISTANT: Please stand by, I will revert to you.

USER: Sure.

ASSISTANT: There is no reservation on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thanks for approaching us.