Hi, I am Mark Nelson.
Hello, how may I provide assistance to you?
I would like to change an existing reservation as my exam got postpone due to some technical issues. Can you help me with this?
Sure, I am here to help you.
Thank you.
Please wait for a while.
Sure.
Sorry, there is no reservation found on your name.
Ok, not an issue. Thank you for your information.
Thank you for reaching us.