Hello.
user
Hello, how may I aid you?
assistant
I would like to change my existing reservation due to postpone of my seminar.
user
Sure, can I know your name to proceed?
assistant
I am Rachel Williams.
user
Please wait for a moment to check your details.
assistant
Sure, I will wait for your response.
user
Sorry to say, no reservation found on your name.
assistant
No worries, thank you for the information.
user
Thank you for reaching us.
assistant