Hello.
Hello, how can I help you?
I want to change my existing reservation,as my exams got postponed.  Can you please help me out in changing my existing reservation?
Sure, let me know the name as I need to check for the previous reservation status.
Thank you for the quick response. My name is Carolyn Thomas.
Please be on hold, I will get back to you in a minute.
Ok, sure. I will wait for your response.
Thank you for your patience.
Ok.
Sorry to notify you that there is no active reservation have been found under your name in our database to amend it.
Ok, not a problem. Anyways, thank you for the information.
Thank you for reaching us with a query.