You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am Anthony Perez. I need to cancel my reservation, can you help me out?

ASSISTANT: Sure, I am here to help you with that. Ok, please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry to say that, there is no reservation found based on your name.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for reaching us.