Hello.
Hello. How can I help you at this moment?
I am Ronald White. I would like to change my reservation as I am leaving  for family trip, can you please help me out?
Sure, I will help you with that. Please wait a moment, I will check your previous reservation status.
Thank you. Sure.
There is no previous reservation available in your name.
Ok no problem, thank you for your services.
Thank you for contacting us, have a good day.