Hi.
user
Hello. How may I help you?
assistant
I have made a reservation earlier, due to some issues I need to change my existing reservation. Can you please help me with this?
user
May I know your name please?
assistant
My name is James Jackson.
user
Sure, I will help you James Jackson. Sorry, no reservation found in our database as per your preferences.
assistant
Not a problem, thank you for checking.
user
Thank you.
assistant