Hi.
Hello. How can I assist you?
Owing to an emergency, my meeting with client got postponed. So I request you to change my existing reservation.
Ok, may I know your good name for changing?
Sure, I have a recent reservation with name Jennifer Smith.
 Please wait I will revert you in a moment.
Sure.
 Sorry to inform you that no reservation was found on your name in our data base.
Ok, not an issue. Thank you for your assistance.
 Thank you for availing us.