Hello, I am Amy Moore.
Hello, how can I serve you?
Could you please change my existing reservation due to my exams got postponed?
Sure, I will be happy to assist you.
Thank you.
Please give me a moment, I will check and revert to you.
Sure.
We are very sorry to inform, there is no reservation found on your given information.
Not a problem, thank you for the information.
Thank you for approaching us.