Hello. I am Angela Davis.
user
Hello, how can I aid you?
assistant
I am planning to book a ticket to attend a meeting at DCA. Can you please help me out to book a ticket from SFO?
user
Sure, I am here to help you. May I know when are you planning to travel?
assistant
I am planning to travel on Mar 22 and return back on Mar 24.
user
Please let me know if you have any specific depart and return time preference.
assistant
Yes, my return time is evening.
user
Sure, do you have any other preference?
assistant
I am looking for a connecting flight.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry to inform you that we don't have any flight available on given dates to proceed.
assistant
That's fine, thank you for your service.
user
Thank you.
assistant