Hi.
Hello. How may I help you?
I am Dorothy Davis, can you help me for changing my existing reservation, because my semester exams was postponed?
Sure, I am here to help you. Please give me a moment to check your details.
Ok, I will wait for your reply.
Sorry, there is no reservation found on your name.
Oh! It's ok, no problem thank you for your services.
Thank you for choosing us, have a nice day.