Hello.
user
Hello. How may I help you today?
assistant
My name is Nicholas Walker. I would like to change my reservation, could you help me out?
user
Sure, I am here to help you with that.
assistant
Sure, take you time.
user
Sorry to say that, there is no reservation found on your name in our database.
assistant
That's ok. Thank you for your time.
user
Thank you for consulting us.
assistant