You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please aid me to modify the ticket details? Because the planned trip got postponed due to some other important work.

ASSISTANT: Sure, I will help you.

USER: Thank you for accepting my request.

ASSISTANT: May I know your name?

USER: I have reserved it on the name of Christine Edwards.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: Thanks for being patient, there is no active reservation found on 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 choosing us.