You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Due to a sudden meeting at office with my client on my boarding day, I want to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you. Please, wait for a while.

USER: Sure, I am Kenneth Taylor.

ASSISTANT: Sorry, we did not found any reservation on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us.