Hello. Samantha Hill here.
user
Hello, how can I guide you for today?
assistant
I need to change my recent reservation because my trip dates are postponed.
user
Please give me a minute, I will check the status of your existing reservation.
assistant
Sure, take your own time.
user
Sorry, there is no reservation found under your name in our database.
assistant
Oh! not a problem.
user
Thank you for contacting us, have a nice day.
assistant