You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Patrick Brown.

ASSISTANT: How can I assist you at this moment?

USER: I would like to meet my brother at Washington, will you help me in booking the flight ticket from PHL to DCA?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: My travelling dates are 08/30 and 09/01.

ASSISTANT: Give me a moment please, let me search for the best flight services available on this route.

USER: Ok, I will wait for your response.

ASSISTANT: Delta airlines is providing service with connecting flight with a ticket fare of 100, shall I book your ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Patrick Brown, your ticket is booked with flight number 1003.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us, have a safe journey.