You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Hernandez.

ASSISTANT: How can I assist you today?

USER: I would like to cancel my recent reservation, due to some health issues. Can you please help me?

ASSISTANT: Sure, will you please give me a moment?

USER: Sure, take your own time.

ASSISTANT: Thanks for waiting, there is a no reservation found under your name.

USER: That's ok, no problem. Thank you for checking.

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