Hi.
user
Hello.
assistant
I am Dennis Johnson.
user
How can I assist you today?
assistant
Would it be possible to change my reservation, which I have done with my name?
user
Sure, I will aid you.
assistant
Thank you.
user
Sorry to say this, no reservation found under your name in our database.
assistant
That's ok, thank you for the information.
user
Thank you for opting us.
assistant