Hi.
Hello, how can I help you today?
I want to change my existing reservation. Can you help me for that one?
Sure, Let me know your name to check your reservation?
Sure, Eric Nelson 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.
No issues, thank you for the information.
Thank you for choosing us.