You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Kenneth Lewis, can you help me to cancel my recent reservation because of some personal work?

ASSISTANT: Yes, please I will help you with the cancellation of flight ticket reservation.

USER: Thank you.

ASSISTANT:  Ok, wait for a moment while I am checking for the flight reservation status. I have searched online but I could not find your flight reservation to cancel it.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you.