You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how may I help you?

USER: I am Thomas Adams. 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 the ticket. Can you please wait a minute?

USER: Thank you. Sure.

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

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

ASSISTANT: You are welcome. Thank you for approaching us.