Hello.
Hi, How may I help you ?
I am Frank Scott. Can you please check if there is any reservation with my name?
Sure, Please give me moment. I will get back to you.
Actually I want to change an existing reservation.
OK, Let me check that for you.
Sure.
Thank you for being patient, we did not find any reservations with your name.
OK, thank you for your time.
Thank you, Have a good day.