Hi.
user
 Hello, how can I render you today?
assistant
I am Amanda Thomas. Can you please help me in changing your reservation as my schedule got changed?
user
Sure, I will help you with that.
assistant
Thank you for your kind response.
user
Please wait a moment.
assistant
Sure, I will wait.
user
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Not an issue with that, anyways thank you for the information.
user
Thank you for choosing us.
assistant