You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: Nicole Rodriguez here. I would like to travel to Boston, MA - BOS on Apr 19. From Washington, DC - IAD on Apr 17.

ASSISTANT: Thanks for providing information, please wait for sometime, I will check the availability of the flights.

USER: OK.

ASSISTANT: Thanks for waiting. I found a flight with your given details, the flight number is : 1010, airline: Southwest, price: 300. Shall I proceed to booking?

USER: OK, you can proceed for booking.

ASSISTANT: OK, your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.