Hello.
user
Hello, how can I assist you?
assistant
I want to change my existing reservation, as my exams have postponed suddenly. Can you please help e with this?
user
Sure, may I know your name please?
assistant
I am Justin Martinez.
user
Justin, there is no reservation with your name to change further.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for reaching us.
assistant