Hello.
Hello, how can I serve you?
I made a reservation recently to attend exams, due to some political disturbances my exams has been postponed. Can you please help me to changing  my reservation?
Sure, I am here to help you.
Thank you.
May I know the name on which you have done your reservation?
Sure, My reservation was done on the name Margaret Williams.
Kindly stay on hold for a while.
Sure.
We don't have any reservation in our list with the name Margaret Williams.
Ok, no issue. Thank you.
Thank you for contacting us.