You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me for cancelling my recent reservation, because I am unable to travel at this moment?

ASSISTANT: Sure, I am here to help you. Can you help me with your name to proceed?

USER: I'm Shirley Rodriguez.

ASSISTANT: I have found your reservation in my records, shall I proceed with cancelling?

USER: Yes, proceed to cancel.

ASSISTANT: Ok, your ticket is successfully cancelled.

USER: Thank you for cancelling my reservation.

ASSISTANT: Welcome.