You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

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 in changing the ticket. May I know your name please?

USER: Thank you for considering my request, I have done my reservation on the name of Katherine Phillips.

ASSISTANT: Sorry, there are no reservations found.

USER: Oh! I think the ticket was not booked properly while I am booking.

ASSISTANT: Thank you for reaching us.

USER: Anyway, thank you for the information.