Hello.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation, as my exams got postponed. Can you please help me out out with it?
user
May I know your name?
assistant
Sure, my name is Joseph Miller.
user
Sorry to notify, there is no reservation found on your given name.
assistant
Ok, not a big problem. Anyways, thank you for the information.
user
Thank you for reaching us.
assistant