You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Emma Robinson. I want to cancel my recent reservation, can you please help me in that?

ASSISTANT: Sure, I will help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation existing on your name.

USER: That's ok, not a problem. Thank you.

ASSISTANT: You are welcome, have a nice day.