Hello.
user
Hello.
assistant
My name is Joseph Nelson.
user
How may I help you?
assistant
Due to sudden change in my plan, I would like to change my existing reservation. Can you help me in changing my reservation?
user
Sure, please wait a moment.
assistant
Sure.
user
Nelson, there is no reservation has been found on your name in our database.
assistant
Ok, that's fine. Anyways, thank you for the information.
user
Thank you for approaching us.
assistant
Welcome.
user