Hello. I am Kathleen Johnson.
user
Hello, how can I assist you?
assistant
Due to heavy rain my cricket match got postponed, so I need to change my existing reservation. Will you please help me in doing that?
user
Sure, I am here to help you. Please wait.
assistant
Thank you. Sure.
user
Thank  you for waiting, sorry we didn't find any reservation on your name.
assistant
No worries, thank you for your information.
user
Thank you for choosing us, have a nice day.
assistant