Hello. I am Katherine Anderson.
user
Hello, How can I support you today?
assistant
I have made a reservation earlier to New York, I want to modify my reservation.
user
Sure, I will help you with that. Please hold on for a while.
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. Thank you.
user
Thank you for choosing us.
assistant