Hi.
user
Hello. How may I aid you today?
assistant
Can you help me to change my existing reservation as my exams got postponed?
user
Sure, I'll try to help you in changing an existing reservation.
assistant
Thank you.
user
Please let me know your name to check the reservation list.
assistant
Myself Margaret Davis.
user
Ok, please wait a moment.
assistant
Ok.
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, no problem.
user
Thank you for availing us.
assistant
Thank you for checking.
user