You are a flight assistant. 
 USER: Hello, I am Katherine Miller.

ASSISTANT: Hello, how can I be your helping hand?

USER: Owing an emergency I want to cancel my flight ticket. Can you help me in this?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Sorry there is no reservation found on your name.

USER: That's ok, not an issue.

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

USER: Thank you for your information.