You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to change my recent reservation , will you help me with that?

ASSISTANT: Sure, may I know your good name?

USER: Thank you for accepting my request. Myself Kenneth Moore.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait.

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

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

ASSISTANT: Thank you for reaching us.