Hello. I am Brian Thomas.
Hello, how can I render you today?
I want to change my existing reservation due to some health issues, can you help me with that?
Sure, I will help you with that.
Thank you.
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 problem, thank you for the information.
Thank you for choosing us.