You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I am Anthony Nelson. I want to cancel my reservation, will you help me to cancellation my ticket?

ASSISTANT: Sure, I am here to help you. Please stand by.

USER: Sure.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Ok, thanks for information.

ASSISTANT: Thank you for reaching us, have a nice day.