Hi. I am Brenda Anderson.
user
Hello. How may I help you out?
assistant
I have booked a flight ticket to write an exam but the exam got postponed to other dates, so can you please help me in changing my previous ticket booking?
user
Sure, I will help you in changing the ticket.
assistant
Thank you for accepting my request.
user
Sorry, there are no reservations found.
assistant
Ok, that's fine. Thank you for checking and providing the information.
user
Thank you for reaching us.
assistant
Welcome.
user