You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: Could you please help me to cancel my reservation?

ASSISTANT: Sure, may I know your name please?

USER: My name is John Jackson.

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

USER: Not an issue, anyway thank you for the information.

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