Hello.
user
Hello, how can I assist you?
assistant
I have a reservation to visit central park. But due to shortage of holidays, I want to change my existing reservation.
user
Sure, may I know your name?
assistant
Anna Thomas.
user
Please wait a moment, I will check the reservation list and revert you.
assistant
Sure.
user
Sorry, there is no existing reservation found on your name.
assistant
No problem. Thanks for your response.
user
Thank you for choosing us.
assistant