Hello.
Hello, how may I help you today?
Can you please change my existing reservation?
Sure, I will help you with that. Let me know your name to check your reservation?
Sure, I am Sandra Phillips.
Ok, please wait a moment.
Sure.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
Ok, not an issue.
Thank you for choosing us.