You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, we are glad to help you. Please let me know your good name.

USER: Thank you. Myself Angela Nelson.

ASSISTANT: Sorry, we did not find any active reservation on your name in our records.

USER: Ok, no problem. Thank you for checking out.

ASSISTANT: Thank you for choosing us.