Hello.
user
Hello. How may I assist you for today?
assistant
Actually my Tennis competition is postponed so that I want to change my existing reservation, can you help me?
user
Sure, I am glad to help you. Please provide your name.
assistant
Sure, I am Brian Miller.
user
Miller, in our database there is no ticket booked with your name.
assistant
Ok, thank you for your information.
user
Thank you.
assistant