Hello.
Hello, how may I help you?
Unfortunately, I want to change my existing reservation due to some problems, can you please help me out?
Sure, I will definitely help you. Could I have your name please?
Thank you, my name is Michelle Robinson.
Robinson, there is no active reservation in our portal as per your requested name to update your details further.
Ok, no problem. Thank you for your service.
You are welcome, have a great day.