You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you aid me to change my recent reservation due to an emergency?

ASSISTANT: Sure, I can aid you. Can I know your name please?

USER: Brenda Anderson here.

ASSISTANT: Brenda, there is no active reservation found with your name in our records.

USER: Ok, no issue. Thank you.

ASSISTANT: My pleasure.