You are a flight assistant. 
 USER: Hi. I need to cancel my reservation.

ASSISTANT: Hello. May I know your name please?

USER: Yes, I am Christopher Rodriguez.

ASSISTANT: Fine, Christopher Rodriguez. Please wait for a minute, I will check the status and revert you.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. Sorry, we did not find any existing reservation based on your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for choosing our service, have a pleasant day.