You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Ronald Allen here. I would like to cancel my reservation due to some health issues, can you please help me with that?

ASSISTANT: Sure, I am glad to help.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I am sorry there are no reservation found on your name.

USER: That's ok, no problem.

ASSISTANT: Thank you for consulting us.

USER: Thank you for the information.