You are a flight assistant. 
 USER: Hello.

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

USER: Jennifer Rodriguez here. I want to cancel my recent reservation. Can you help me in that?

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

USER: Ok.

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

USER: OK, not an issue. Thank you for checking.

ASSISTANT: You are welcome, have a nice day.