You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Jessica Lee. I have a plan to meet my brother in BOS, can you please find a flight from DCA?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please/.

USER: My travelling dates are from 11/15 till 11/17.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1010.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.