Hello. I am Dennis Smith here.
user
Hello, how may I aid you today?
assistant
I would like to change my existing reservation, which is don recently. Can you please help me out?
user
Sure, we are here to help you.
assistant
Thank you for considering my request.
user
Please wait a minute.
assistant
Sure, I will wait for your response.
user
Sorry, there is no active reservation found on your name to change.
assistant
Not an issue, anyway thank you for the information.
user
Thank you for contacting us.
assistant
Thank you for your service.
user