You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best aid you now?

USER: I am Cynthia Hall. Due to some emergency problem, I need to cancel my reservation. Can you please help me?

ASSISTANT: Sure, that is what I am here. Please wait for a moment.

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation found on your name to cancel it.

USER: No problem. Thank you.

ASSISTANT: Thanks for contacting us, have a nice day.