Hello. I am Donald Lee.
How can I provide assistance to you?
I need to change my recent reservation due to postpone of my interview to some other date. Could you please help me in doing that?
 Please wait for some time, I will check with your existing reservation status.
Sure.
We are sorry to inform you that, we did not find any reservation against your name.
No problem, thank you for your information.
Thank you for reaching us. Have a good day.