Hello, my name is Laura Gonzalez.
user
Hello, How may I assist you today?
assistant
Due to postpone of the meeting, I want to change my existing reservation.
user
Ok, please wait for a while I will check and let you know.
assistant
Ok.
user
Sorry, We did not found any reservation based on your given details.
assistant
Ok, thank you for your service.
user
Thank you for contacting us.
assistant