Hello, I am Charles Mitchell.
user
Hello, how may I assist you?
assistant
I would like to change my existing reservation due to postpone of my conference at Charlotte. Could you please help me?
user
Sure, I will help you with that. Please wait for a moment.
assistant
Sure.
user
Thank you for waiting, sorry there is no reservation found on your name.
assistant
No problem, thank you for the information.
user
Thank you for visiting us, have a nice day ahead.
assistant