Hello.
Hello, how may I aid you?
 Due to some entrepreneurship meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?
Sure, I am here to help you out. Please provide me your provide me your name to check whether any active reservation is found on your name or not.
I am Jack Walker.
Please allow me a moment.
Sure.
Sorry Jack Walker, there is no active reservation on your name in our database.
No problem, thank you for the information.
Thank you for reaching us Jack Walker.