Hi. I am Ryan Thomas.
Hello, how can I assist you today?
I want to change my flight reservation because I am unwell, please help me.
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.
Not an issue. Anyway, thank you for checking.
Thank you for choosing us.