Hello.
user
Hello, how can I help you?
assistant
I am very happy to change my existing reservation because my examination was postponed, now I have much time to prepare for the exam.So please help me in modifying my recent reservation.
user
Sure, may I know your name please?
assistant
Laura White here.
user
Ok. Sorry, no reservation is found with your data.
assistant
It's no a problem. Thanks for checking and giving information.
user
Thank you for choosing us.
assistant