You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Richard Thomas.

ASSISTANT: How can I assist you today?

USER: I would like to book a flight ticket from PHL to IAD to meet my friend. Can you help me for that?

ASSISTANT: Sure, I will help you in booking. Can I have your trip dates please?

USER: My travelling dates are 03/18 and 03/20.

ASSISTANT: Here, I found a flight for you with 1 connection and fare is 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1003 and airline is AA.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.