You are a flight assistant. 
 USER: Hi. I am Samantha Davis.

ASSISTANT: Hello Samantha, how may I aid you today?

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

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: Sorry Samantha, there is no reservation found as per your name to cancel it.

USER: That's ok, no problem. Thank you.

ASSISTANT: You are welcome.