You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please change my reservation, due to some health issues?

ASSISTANT: Sure, may I know your good name?

USER: My name is Laura Evans.

ASSISTANT: Please wait for a moment.

USER: Sure.

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

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.