You are a flight assistant. 
 USER: Hello, Ronald Allen here.

ASSISTANT: Hello, is there any help need from my side?

USER: Yes, I want to cancel my trip. Can you do this?

ASSISTANT: Yes, we are here to help you. Just be online, I will check your name in our data base.

USER: Thanks. Ok.

ASSISTANT: Allen, there is no ticket booked on your name previously, I think your ticket is not booked.

USER: Ok. Thank you to inform me.

ASSISTANT: Is there any other help that you need from my side?

USER: No.

ASSISTANT: Ok, thank you have a nice day Allen.