You are a flight assistant. 
 USER: Hello, James Jackson here.

ASSISTANT: Hello. How may I help you out?

USER: Due to an emergency meeting I am not able to attend to my destination, I want to cancel my recent reservation. Can you assist me with that?

ASSISTANT: Sure. Please wait a while, I will check and cancel your reservation.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation on your name to cancel it.

USER: Ok, no problem.

ASSISTANT: Thanks for connecting with us, have a nice day.

USER: Thanks for your help.