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