Hello.
user
Hello. How may I assist you?
assistant
I would like to change my existing reservation, which is done recently. Can you please help me out/.
user
Sure, I am here to help you out. May I know your name please?
assistant
Sure, myself Benjamin Campbell.
user
Benjamin Campbell, we haven't found any reservation under your name in our database.
assistant
Not an issue, anyway thank you for the information.
user
Thank you for choosing us.
assistant
Thank you for your service.
user