You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please change my reservation as my meeting location is changed.

ASSISTANT: Sure, may I know your name?

USER: Myself Brenda Roberts.

ASSISTANT: Please wait a minute, I will check your reservation status and get back to you.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.