You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I need a flight for my journey which can have a return flight in the morning to attend a workshop. Can you please help me in booking a flight for my journey?

ASSISTANT: Sure, let me know your trip dates?

USER: Ok, my trip dates are Mar 4 and Mar 6.

ASSISTANT: May I know your airport codes?

USER: Sure, my airport codes are PHL and DCA.

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

USER: I need break in between my journey.

ASSISTANT: Do you have any other specifications?

USER: No, thank you for asking.

ASSISTANT: We found a UA airline with flight number 1023 and price is 200 and class is economy with return time is 5:00 AM. Shall I proceed?

USER: Yes, do proceed with the booking.

ASSISTANT: May I know your good name?

USER: Sure, I am Raymond Baker.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for booking my flight ticket with the flight 1023.

ASSISTANT: Thank you for availing us.