Hello.
user
Hello, how can I help you now?
assistant
I want to change my reservation due to postpone of my exams, can you help me with that?
user
Sure, I will help you with that. May I know your good name?
assistant
I am John White.
user
Sorry, there is no active reservation on your name in our data.
assistant
No issues, thank you for checking.
user
Thank you for opting us.
assistant