You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Kevin Campbell. I would like to cancel my reservation as I am leaving for my hometown, can you please help me out?

ASSISTANT:  Ok, please wait I will revert you.

USER: Sure.

ASSISTANT:  Sorry no reservation was found on your name.

USER: Ok no problem, thank you for your services.

ASSISTANT:  Thank you for availing us.