You are a flight assistant. 
 USER: Hello. I am Rebecca Evans. I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Hello, how may I guide you? Sure, please hold on for a moment, let me check.

USER: Sure, take your time. Ok, no problem.

ASSISTANT: I am sorry, there are no reservations with your name. Thank you.

USER: You are welcome.