You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony White.

ASSISTANT: How can I assist you?

USER: I need to cancel my reservation, can you help me out please?

ASSISTANT: Sure, please give me a minute. Anthony, there is no reservation available on your name.

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: You are welcome.