Hi.
Hello, how may I oblige you today?
I want to change my existing reservation. Can you help me out in this?
Sure, I will help you with that. May I know your name to check your details in our database?
Thank you. I am Jacob Mitchell.
Please wait a while.
Ok.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
It's alright, not a problem. Thank you for your information.
Thank you for choosing us.