Hello. My name is John Adams.
user
Hello. How can I help you now?
assistant
I want to change my source code as destination code in my existing reservation, would you please help me with that?
user
Sure, I will help you with that.
assistant
Thank you.
user
Sorry John, there is no reservation found on your name.
assistant
That's ok, thank you for the information.
user
Thank you for approaching us, have a nice day.
assistant