You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Brian Lee. I would like to cancel my recent reservation, will you help me with that?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Ok, I will wait for your response.

ASSISTANT: I have successfully cancelled your ticket.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.