Hello,.
user
Hello, how may I aid you?
assistant
I am Kevin Edwards. I just want to change  my reservation, due to some problems my seminar has been postponed. Can you please help me with that?
user
Sure, please wait a moment.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no issue. Thank you.
user
Thank you for reaching us.
assistant