You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Joshua Johnson. I would like to cancel my reservation as I am leaving for business meet, can you please help me out?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

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

ASSISTANT: Thank you.