You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Owing to an emergency I had to request for this cancel reservation. Can you please help me for cancellation?

ASSISTANT: Sure. May I know your good name?

USER: Sure, I am Susan Hill.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok. Thanks for your help.

ASSISTANT: Thank you.