You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Scott Campbell. As my sister's baby shower program has been postponed, I need to change my reservation. Can you please help me?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.