You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, I can help you with that, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I could not find any reservation with your name in our database.

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

ASSISTANT: My pleasure.