You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I amend you?

USER: I made a reservation earlier this week to give a presentation about my new innovation but some work is left so I more time so I need to cancel the ticket.

ASSISTANT: Sure, please mention your good name.

USER: I made a reservation on this name Joseph Turner.

ASSISTANT: Ok, please wait a while. I will check and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting. Unfortunately, we didn't found any reservation matching your name.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for approaching us.