Hello.
user
Hello. I hope you are good toady, how can I help you?
assistant
William Moore here.
user
Ok.
assistant
I want change my existing reservation due to my grand father health issue, hope your helping me out.
user
Sure, I will help you with that. Please wait for a while. Sorry William, there is no reservation found on your name.
assistant
Ok, no issues. Thank you for checking.
user
You are welcome, have a nice day.
assistant