You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Stephen Hernandez. I need to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, I am here to help you.

USER: Thank you for your kind reply.

ASSISTANT: Sorry to inform you that there is no reservation found under your name to cancel.

USER: That's ok, thank you for searching my details.

ASSISTANT: Thank you for choosing us.