Hi. I am Gregory Rodriguez.
user
Hello, How can I help you?
assistant
Due to postpone of my scheduled interview, I need to change my existing reservation. Can you help me in doing that?
user
Ok. I will help you. Please wait a minute.
assistant
Thank you. I will wait for your response.
user
Thanks for waiting.
assistant
Ok.
user
There is no active reservation on your name.
assistant
It's ok, not an issue. Thank you for  your response.
user
Thank you.
assistant