Hi.
user
Hello, how may I serve you today?
assistant
Could you please change my existing reservation due to postpone of my exams?
user
Sure, I am here to help you with this. May I know your good name please?
assistant
My name is Rebecca Hernandez.
user
Ok, wait for a mean while.
assistant
Sure.
user
Sorry to say, that there is no active reservation found on your name to change it.
assistant
Not a problem, thank you.
user
You are welcome.
assistant