You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I serve you today?

USER: I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: May I know your name please?

USER: Sure, I am Daniel Nelson.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: There is no reservation found with your given name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you.