Hi.
Hello, how may I oblige you today?
Owing to an emergency, my live concert got postponed, so I want you to change my existing reservation.
Sure, we are here to help you. May I know your good name?
Sure, Susan Rodriguez here.
Ok, please wait for a minute.
Sure.
Thanks for waiting, there is no active reservation found on your name.
 Ok, no issues. Thank you for your assistance.
Thank you for opting us.