Hello.
user
Hello, how may I aid you?
assistant
I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you aid me to change it?
user
Sure, may I know your name?
assistant
Sure, my name is Samantha Edwards.
user
Sorry, there is no reservation found on your name.
assistant
That's Ok, thanks for your help.
user
Thank you for choosing us.
assistant