You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Barbara Jones. I have planned for the trip to visit some places in New York, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you with that flight ticket booking. May I know your travelling dates, please?

USER: Thank you for your response. The travelling dates are 06/05 and 06/07.

ASSISTANT: Can you please provide your source code to proceed for further?

USER: My source airport code is Washington-DCA.

ASSISTANT: May I know your destination code?

USER: My desired destination airport code is New York-LGA.

ASSISTANT: Do you have any specification?

USER: Yes, I need a flight which is having a ticket fare of 200 or less.

ASSISTANT: There is direct flight available for you in Frontier airline with a fare of 200. Shall I proceed?

USER: That's perfectly matching to my requirements, please proceed with the ticket booking.

ASSISTANT: Your booking is confirmed successfully with the flight-1002.

USER: Thank you for your help in booking a flight ticket.

ASSISTANT: Thank you for reaching our agency, have a safe journey.

USER: You are welcome.