You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can help you today?

USER: Can you please help me to book a flight from DCA to IAD?

ASSISTANT: Sure, could you please ensure your preferable dates?

USER: My travel dates are Jan 26 to 28.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Richard Edwards.

ASSISTANT: Which flight you have preferred to travel either a connecting flight or a direct flight?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other restrictions to be met?

USER: No.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in Southwest airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for choosing us.