You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I have an earlier reservation to sign a new contract for new project, due to some problems it got postponed. Can you please help me in changing my reservation?

ASSISTANT: Sure, I am glad to help you. May I know your name?

USER: Thank you for accepting my request, I had reserved it on the name of Scott Martinez.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure, take your time.

ASSISTANT: Sorry Scott Martinez, no reservation is available by your name.

USER: Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.