Hello.
Hello, how may I help you today?
As I have met with an emergency work, I want to change my existing reservation.
Sure, can I have your name please?
My name is Gregory Harris.
Ok, please wait I will get back to you.
Sure.
Thanks for waiting, we have not found any reservation with your given name.
Ok, not a problem. Thank you for your service.
Thank you for contacting us.