You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to book a flight ticket to attend a robotic workshop at New York , can you help me to book an economy class ticket?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My travelling dates are Aug 12 and Aug 14.

ASSISTANT: Ok, may I know your respective airport codes of journey?

USER: My airport codes are DCA and EWR.

ASSISTANT: Do you have any other specifications please?

USER: I need a direct flight.

ASSISTANT: I found a direct flight of fare 100 with the Frontier airline, are you ok with this booking?

USER: Yes, please proceed with booking.

ASSISTANT: May I know your name please for booking a ticket?

USER: My name is Patricia Green.

ASSISTANT: Your booking is done with the flight number 1018.

USER: Thank you for the help.

ASSISTANT: You are welcome, have a safe flight.