You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: i am Betty Miller. Can you please help me in cancelling my recent reservation?

ASSISTANT: Please wait for a moment.

USER: Ok, sure.

ASSISTANT: I have successfully cancel your ticket.

USER: Ok, fine thank you for your help.

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