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 Jack Anderson.
Ok. Please wait a moment.
Ok.
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 your information.
Thank you for choosing us.