Hi.
user
Hello.
assistant
I am Michael Carter.
user
How may I serve you today?
assistant
I want to change my existing reservation due to postpone of my exams, so can you help me with this?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait a minute.
assistant
Sure.
user
Sorry, there is no active reservation on your name to change.
assistant
Not a problem, thank you for checking.
user
Thank you for approaching us.
assistant