You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to cancel my previous booking, can you help me?

ASSISTANT: Ok, please provide your name so that I can help you. I got your reservation would you like me to cancel it?

USER: Sure, my name is Joshua Scott. Ok, sure.

ASSISTANT:    Ok, your ticket has been canceled.

USER: Thank you for helping me.

ASSISTANT: Thanks for consulting us.

USER: Most welcome.