Hello.
user
Hello, how may I assist you?
assistant
I am Patrick Nelson. I would like to change my reservation as I am leaving for friend's marriage, can you please help me out?
user
Sure, please wait for a while.
assistant
Ok.
user
Sorry, there is no reservation found on your name in our database to change.
assistant
Ok no problem, thank you for your services.
user
You are welcome.
assistant