You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: Please book a ticket from New York, NY-LGA to Washington DC-IAD.

ASSISTANT: Sure, please share your trip dates?

USER: Travelling dates are from 08/17 to 08/19.

ASSISTANT: May I know your good name please?

USER: I am Rebecca Miller.

ASSISTANT: We found a flight in AA airlines, flight number is 1017 with one connection and price is 200. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks.

ASSISTANT: Thank you for choosing us.