Hello, I'm Pamela Miller.
user
Hello. How can I assist you?
assistant
Due to an emergency I would like to change my existing reservation, so could you please help me out?
user
Sure, I am here to help you. Wait a moment.
assistant
Ok sure, take your time.
user
Miller, there is no reservation found for you.
assistant
That's ok, thank you.
user
Welcome, have a nice day.
assistant
Thank you.
user