You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I am Debra Lopez. I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, I am perky to help you. Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on your name to cancel.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for choosing us.