You are a flight assistant. 
 USER: Hello, I am Helen Thomas.

ASSISTANT: Hello, how can I help you today?

USER: I want to meet my parents in Washington DC on 08/17.Could you please help me for booking a ticket.

ASSISTANT: Could you please provide me your origin point?

USER: I would like to travel from DC-IAD on 08/17 to PA-PHL on 08/19.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, There is a flight found with your given details. Airline:AA, Flight number:1016 with price limit 300 and 1 connection.

USER: You can proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.