You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rachel Harris.

ASSISTANT: How may I assist you today?

USER: Would it be possible to change my reservation to new locations?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there is no reservation found on your name, in our database.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for approaching us.