Hello.
user
Hello, how can I aid you today?
assistant
Actually my Tennis competition is postponed,  so that I want to change my existing reservation.  Can you help me?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your name?
assistant
Ok, my name is Kathleen Clark.
user
Ok, wait for some time.
assistant
Ok, I will wait.
user
Thanks for waiting there is no reservation found on your name.
assistant
Ok, not an issue. Thank you for your information.
user
Thanks for approaching us.
assistant