You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you at this moment?

USER: I would like to cancel my reservation because I am unwell. Can you please help me out?

ASSISTANT: Sure, I will help you. Can I have your name to check your reservation status?

USER: My name is Brandon Davis.

ASSISTANT: Ok Davis, please wait a minute.

USER: Sure.

ASSISTANT: I found your reservation and I have successfully cancelled your ticket.

USER: Thank you very much.

ASSISTANT: You are welcome.