You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I aid you for the day?

USER: I need to cancel my recent reservation due to some health issue. Can you assist me in cancellation?

ASSISTANT: Sure, can I know your good name?

USER: I am Alexander Nelson.

ASSISTANT: Please hold a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no active reservation found on the given name.

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

ASSISTANT: Thank you.