You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Matthew Turner.

ASSISTANT: Turner, what kind of assistance you are looking for?

USER: I have to attend entrepreneurship meeting in my place, so I want to change my existing reservation. Can you please help me out?

ASSISTANT: Sure, It's my privilege to help you. Please give me a moment to check your ticket status.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Matthew, we could not find reservation by your name.

USER: Not a big problem. Anyhow thank you very much for your services.

ASSISTANT: Thank you for availing our services.