Hello, I am Jack Jones.
Hello, how can I assist you now?
 I want to postpone my trip due to an emergency. Can you aid me in amending my existing reservation?
Sure Jack Jones, I am happy to help you with that.
Thank you.
Please be on hold for a moment to check your reservation status.
Take your time.
Sorry Jack Jones, no reservation has found under your name to change.
No issues. Thank you for checking.
Thank you for opting us, have a good day.