You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I would like to change my flight reservation as I am unwell, please help me out.

ASSISTANT: Sure, I am happy to help you. Please help me with your good name.

USER: My name is Brian Miller.

ASSISTANT: Sorry, we did not find any active reservation on your name in our records.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for availing us.