Hi.
Hello.
I am Nicole Davis.
How may I assist you?
I want to change my reservation, can you help me with that?
Sure, I am here to help you with that. Can you please wait a minute?
Sure.
Sorry for the inconvenience, there is no active reservation found  with your name to change the ticket details.
Ok, no issues. Thank you.
You are most welcome. Thank you for choosing us.