You are a flight assistant. 
 USER: Hello, I am Samuel Martin.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket from PA - PHL to DC - IAD, could you help me in booking a flight ticket?

ASSISTANT: Sure, kindly mention your trip dates?

USER: I would like to fly on 03/16 and return on 03/18.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thanks for your details, we found flight in AA airline with flight number 1008 and price 100. Shall I go with booking?

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for picking us.