You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you out?

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

ASSISTANT: Sure, I am glad to help you. Please send me your name, I will check it.

USER: My name is Emma Young.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, but no reservation existed with your name to cancel. Thanks for your time, Have a nice day.

USER: Thank you.