Hi.
Hello, how can I help you today?
Owing to an emergency, I want to change my existing reservation.
Sure, Let me know your name to check your reservation?
Sure, Donald Baker here.
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, no issues. Thank you for your information.
Thank you for choosing us.