You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to cancel my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, I am here to help you to cancel your ticket. Can I know your name please?

USER: Helen Hill here.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no active reservation found with your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are most welcome. Thank you for choosing us.