Hello.
Hello. How can I aid you?
Can you please help me to change my existing reservation?
Sure, We are here to help you. May I know your name?
Thank you. Richard Harris here.
Please wait a while.
Sure.
 Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
Ok, no problem. Thank you for the information.
Thank you for opting us.