Hi.
user
Hello.
assistant
My name is Samuel Harris.
user
Samuel, how can I help you?
assistant
My holiday trip has been postponed, so I would like to change my reservation.  I had planned to go on a vacation, but it was postponed.Can you change my recent reservation?
user
Sure, I will change your reservation. Please wait for a while, I will check the details and get back to you.
assistant
Ok fine.
user
Sorry Samuel, there is no reservation found on your name.
assistant
That's ok, thank you for your information.
user
You are welcome, have a nice day.
assistant