Hello, my name is Eric Baker.
user
Hello Baker, how can I assist you today?
assistant
I would like to do some changes in my plan, so I want to change my existing reservation.
user
Sure Baker, I can help you in changing your reservation, please wait for a moment.
assistant
Sure, take your time.
user
Baker, I have not found any reservation by your name in our database.
assistant
Ok, no problem, thank you for your information.
user
Thank you for choosing us, have a nice day.
assistant