You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight ticket from BOS to DCA.

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travelling dates?

USER: My journey dates are from July, 23 to July, 25.

ASSISTANT: Do you prefer any break in between journey?

USER: I need  a single connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Barbara Hall.

ASSISTANT: Southwest Airlines is providing the flight-1012 with single connection and the ticket fare is 100. Can I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.