Hello,.
user
Hello, how can I be of your service?
assistant
I want to change my existing reservation as I have a change of plan in my trip. Can you help me?
user
Sure, I can do that for you. May I know your name to proceed?
assistant
I am James Carter.
user
Ok, please wait.
assistant
Ok.
user
Thank you for being patient. There is no reservation found on your name.
assistant
That's fine. No problem.
user
Thank you for choosing us.
assistant
Thank you for your service.
user