You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I best serve you today?

USER: I need to change my reservation as my meeting place got changed to another place. Can you please help me?

ASSISTANT: Sure, may I know your good name please?

USER: I am Stephanie Davis.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name to change.

USER: OK, no problem. Thank you.

ASSISTANT: Thanks for approaching us.