You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I am gleeful to help you with the ticket cancellation.

USER: Thank you.

ASSISTANT: Please allow me sometime to check the ticket status.

USER: Sure.

ASSISTANT: Sorry to inform you that, when I have checked the ticket status, I have not found any reservation with your name.

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

ASSISTANT: Most welcome. Thank you for communicating with us.