Hello. I am Raymond Anderson.
user
Hello, how may I aid you today?
assistant
Yesterday I have booked a ticket for Houston but your agent misplaced my origin code from Houston to Boston. Can you help me in changing my existing reservation?
user
Sorry for the inconvenience caused. Please wait for a couple of minutes.
assistant
Sure.
user
Thanks for your precious time, we are sorry to notify you that no reservation was found based on your name.
assistant
No problem, Thank you for your information.
user
Thank you for picking us.
assistant