Hello.
user
Hello, how can I help you?
assistant
Due to urgent work, I would like to change my reservation to some other date, can you please help me out with that?
user
May I know your name please?
assistant
Sure, my name is Dennis Brown.
user
Sorry to say, there is no reservation on your name in our database.
assistant
Oh! It's ok no problem. Thank you for your service.
user
Thank you for opting us.
assistant