Hi.
user
Hello.
assistant
I am Jonathan Lee.
user
How may I assist you now?
assistant
Due to postpone of my seminar, I would like to change my existing reservation. Can you please help me in changing?
user
Sure, please allow me to check with your previous reservation.
assistant
Ok.
user
Sorry to inform you, there is no single reservation available by your name.
assistant
Ok, no worries at all. Thank you.
user
Have a great day ahead.
assistant