Hello.
user
Hello. How can I assist you?
assistant
I am Samuel Lewis. I want to change my existing reservation due to postpone of my seminar. Could you please help me?
user
Yes, I can help you. Give me a moment.
assistant
Sure.
user
Sorry to inform you that there is no reservation found on your name.
assistant
No worries, thank you for the information.
user
Thank you for contacting us.
assistant