You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you today?

USER: My name is Ryan Lopez. Please book a ticket to Boston, MA-BOS from Washington, DC-DCA, due to business trip.

ASSISTANT: Sure, may I know your journey dates?

USER: Journey dates are from 09/17 to 09/19.

ASSISTANT: May I know your price limit?

USER: Price limit is 200 with a connection in between travelling.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a AA airline, flight number: 1018, price: 100 with one connection. Shall I proceed with this booking?

USER: Proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks.