You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: I am happy to help you, may I know your name?

USER: Myself Anthony Collins.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name to cancel it.

USER: That's ok, thank you for the information.

ASSISTANT: Thanks for choosing us.