Hello.
user
Hello. How can I guide you today?
assistant
Due to the change in the venue of the event, I would like to change my existing reservation. Can you help me?
user
Please provide me your name.
assistant
My name is Mark Nelson.
user
Please hold on a moment.
assistant
Sure.
user
Sorry to say, there is no reservation found by your name.
assistant
That's ok, thank you for the information.
user
Most welcome.
assistant