Hello. I am James Lee.
Hello James, how may I help you?
Actually, I want to change an existing reservation.Can you help me out?
Sure James, please give me a moment I will check the details and get back to you.
Sure.
Sorry James, there is no reservation showing on your name.
That's fine. Thank you for your help.
Thank you for reaching us for your concern, keep choosing us for your further bookings.