Hi.
user
Hello, how can I render you today?
assistant
I would like to change an existing reservation as my trip got postpone. Can you please check the reservation by this name Helen Davis?
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait a moment.
assistant
Sure.
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
Ok, not an issue. Thank you for your information.
user
Thank you for choosing us.
assistant