You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Christopher Parker. I would like to cancel my reservation, can you please help me out?

ASSISTANT: Yes, I am here to help you.

USER: Thank you.

ASSISTANT: I have found reservation and as per your request I have cancelled it.

USER: Ok, thank you for your services.

ASSISTANT: Most welcome, hope you have a nice day.