Hi.
Hello, how may I help you?
Please help me in changing my recent reservation.
Sure, I am here to help you. Can you please help me with your name?
I am Rebecca Robinson.
Thank you. Please wait for a while.
Sure, I will wait for your reply.
Sorry to say you that there is no reservation found under your name in our database.
That's ok, thank you for checking.
You are most welcome.