You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon Anderson.

ASSISTANT: How can I  help you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, just a moment please. I am sorry no reservation found on your name.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for choosing us.