Hi.
Hello, how can I help you today?
Owing to an emergency, my meeting with client got postponed, so I want you to change my existing reservation.
Sure, I will help you with that. Let me know your name to check your reservation?
Sure, Elizabeth Parker 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 worries at all. Thank you for your information.
Thank you for choosing us.