You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Do you need any help from my side?

USER: I want to cancel my reservation, can you please help me with this?

ASSISTANT: Sure, I can help you and can I know your name please?

USER: I am Stephanie Hernandez.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found for the user name in our data base to cancel it.

USER: Ok, not a problem. Thank you.

ASSISTANT: You are most welcome and thank you for reaching us.