Hi.
Hello, how can I assist you for the day?
 Owing an emergency want to change my reservation, can you help me with it please?
Sure, I am glad to help you.
Thank you.
May I know your name please?
 My name is Ronald Hernandez.
Thanks for your name, please wait.
Ok.
Thank you for waiting, we are sorry to say that no reservation was found on your name to change.
That's ok, thank you for the response.
Thank you for reaching our services.