You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Good evening. How may I help you?

USER: Unfortunately, my trip was cancelled, So please help me to cancel my recent reservation.

ASSISTANT: Sure. May I know your name please?

USER: My name is Kenneth Carter.

ASSISTANT: Carter, wait a minute.

USER: Ok.

ASSISTANT: Carter, there are no reservations found with your details. Thank you for reaching us.

USER: It's ok, no problem. Thank you for the information.