Hello. My name is James Mitchell.
user
Hello, how may I assist you?
assistant
I would like to change my existing reservation, could you help me out?
user
Sure, please wait for a while.
assistant
Sure, take your time.
user
Sorry, there is no reservation found on your name in our data base to change.
assistant
That's ok. Thank you for your time.
user
You are welcome.
assistant