Hello,.
user
Hello, how may I assist you?
assistant
I am Katherine Brown. I want to change my existing reservation, due to postpone of my exams.
user
Sure, I will help you.
assistant
Can you please help me with that? Thank you.
user
Please wait for a while.
assistant
Sure.
user
Thanks for your time, but no seat is reserved for you in any flight.
assistant
Ok, no issue. Thank you.
user
Thank you for approaching us.
assistant