You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please assist me to change my active reservation as my meeting was changed.

ASSISTANT: Sure, let me know your name to check further?

USER: Myself Amy Brown.

ASSISTANT: Sorry, no reservation found on your name in our portal to change it.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.