You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Alexander Davis. I need to travel New York, can you please reserve flight ticket from IAD and EWR?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travelling dates are Feb,23 and Feb,25.

ASSISTANT: May I know your class preferences?

USER: I need a connection limit with the price limit 1000.

ASSISTANT: There is a connecting flight 1017 of UA airlines, can I book it?

USER: If the connection limit is one, please proceed with the reservation.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for booking flight ticket.

ASSISTANT: Welcome.