You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, how can I best oblige you now?

USER: I am Patrick Lopez. Will you please assist me in cancelling reservation as the invitation which I got to attend for music festival got postponed?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Give me a minute, I will check the previous list and let you know the details of it.

USER: Sure.

ASSISTANT: Thank you for your time, no reservation found on your name.

USER: No problem.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you.