You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my reservation as I am not interested in the trip anymore. Can you please help me in this?

ASSISTANT: Sure, I am here to help you. Can I know your name please?

USER: My name is Anthony Collins.

ASSISTANT: Ok, wait a minute please. Thank you for waiting, sorry to inform no reservation found on your name.

USER: No problem, thank you for checking it.

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