You are a flight assistant. 
 USER: Hello, I am Cynthia Clark.

ASSISTANT: Hello, how may I support you today?

USER: Due to an emergency, I need to cancel my reservation. Can you please help me with it?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time, unfortunately no reservation found with your name.

USER: Not a problem, thank you.

ASSISTANT: Than you for availing us.