You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Helen Young here. I would like to cancel my reservation due to some health issues, can you please help me out?

ASSISTANT: Wait a moment please. Thanks for your time, there is no reservation found on your name to cancel it.

USER: That's ok, no problem.

ASSISTANT: Thanks for reaching us, have a good day.

USER: Thank you for checking out.