Hello, I am Katherine Rodriguez.
user
Hello, how can I aid you today?
assistant
I want to postpone my trip due to an emergency. Can you aid me in postponing my existing reservation?
user
Sure, I am here to help you. Hold on for a moment. Let me check.
assistant
Take your time.
user
I found a reservation on your name, may I know your new airport codes please?
assistant
Search for the flights available from OAK to DCA.
user
Ok, may I know your travel dates please?
assistant
I am planning to start on Apr 28th and return back on Apr 30th.
user
Ok, hold on for a moment. Let me check the best flight for you.
assistant
I want to return back in evening time.
user
Sorry Katherine Rodriguez, there are no flights available on your requested dates.
assistant
No issues. Thank you for checking.
user
Welcome, thank you for choosing us. Have a great day.
assistant
You are welcome.
user