You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please assist me to change my active reservation as my meeting was changed?

ASSISTANT: Sure, can I know your name?

USER: Christine Jones.

ASSISTANT: Please, wait a minute.

USER: Ok.

ASSISTANT: Sorry, we could not find any reservation on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.