You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please change my active reservation on my meeting was postponed.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Myself Raymond Martinez.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: Thanks for your time, there is no active reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you  for reaching us.