You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: There is a slight change in my recent reservation, can you please help me out?

ASSISTANT: Sure, may I know your good name?

USER: Myself. kenneth Lewis.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: That's fine, not an issue. Anyway thank you for checking.

ASSISTANT: Thank you for reaching us.