Hello.
user
Hello, may I know your good name?
assistant
I'm Gary Hill.
user
OK Gary, how can I help you today?
assistant
I would like to change my existing reservation.
user
Sure, I can help you. Please wait a moment to check it.
assistant
OK.
user
Sorry Gary, as per the information you provided there is no reservation found in my data.
assistant
OK.Thank you for your information.
user
Thank you for contacting us , have a great day.
assistant
Your welcome.
user