Hello, I am Gregory Walker.
Hello, how may I assist you?
I need to change my recent existing reservation due to postpone of my exams. Could you please help me in doing that?
Sure, I can help you with it. Let me check the reservation list and get back to you.
Sure.
Thanks for being patient. There is no reservation found on your name.
No problem, thank you for your information.
Thank you for reaching us.