Hi.
user
Hello, how can I guide you for today?
assistant
I am Ashley Parker. Can you please change my existing reservation as  my plan to go for holiday trip got postponed?
user
Please give me a minute, I will check the status of your existing reservation.
assistant
Sure.
user
Sorry, there is no reservation found under your name in our database.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for contacting us, have a nice day.
assistant