You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Cynthia Miller, want to cancel my recent reservation due to some personal issue. Please help me out with that.

ASSISTANT: Sure, I am oblige to help you with that.

USER: Thank you.

ASSISTANT: Please be on hold to check your previous reservation.

USER: Sure, take your time.

ASSISTANT: We regret to notify that, there is no reservation found on your name in our records.

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for using our services, have a great day.