You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for the day?

USER: I want to cancel my recent reservation due to an emergency meeting. Can you please help me with this?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can I have your name please?

USER: My name is Melissa Hill.

ASSISTANT: Thanks for your name, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we did not find any reservation on your name to cancel.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for visiting us, we hope to serve you again.