Hello.
user
Hello, how can I help you today?
assistant
I want to change an existing reservation due to my appointment with the client got post pone. Can you help me with this?
user
Sure, let me know your good name please.
assistant
I am Helen Thomas.
user
Ok, please wait a moment.
assistant
Sure.
user
Thank you for being patient. We found no reservation with your name.
assistant
That's ok, thanks for your information.
user
Thank you for availing us.
assistant