Hello.
user
Hello.
assistant
My name is Gregory Edwards.
user
How may I guide you?
assistant
I want to change my existing reservation, can you help me for that?
user
Sure, I am here to help you. Please hold on a moment. Gregory, no reservation has been found on your name in our database.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant
Welcome.
user