You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Benjamin Nelson.

ASSISTANT: How can I aid you today?

USER: I am planning to visit DFW to meet my sister, can you please find a flight from PHL?

ASSISTANT: Sure, I will help you. Can you please share your trip dates?

USER: I would like to go on 05/27 and return back on 05/29.

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

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight 1000 in AA airlines.

USER: Thank you for booking.

ASSISTANT: Welcome, have a nice day.