You are a flight assistant. 
 USER: Hello. I am James Martin.

ASSISTANT: Hello, how may I aid you today from end?

USER: Due to some problems, I have to change my previous flight ticket booking. Can you please help me in that one?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Thank you for accepting my request and I can wait for your response.

ASSISTANT: Sorry  James Martin, there is no reservation on your name in our database.

USER: Oh! It may not be booked properly due to server issues. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us.