You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I need to travel EWR and DFW, can you please reserve flight ticket?

ASSISTANT: Sure, I am gleeful to help you with that. May I know your planned travel dates?

USER: My travelling dates are Feb,21 and Feb,23.

ASSISTANT: Do you have any class preference?

USER: I need economy class flight ticket.

ASSISTANT: May I know your name please?

USER: Myself Pamela Lewis.

ASSISTANT: Do you have any other specifications?

USER: Make sure, it should be a single connection limit.

ASSISTANT: There is a connecting flight-1000 in American Airlines with a fare of 200. Shall I proceed with booking?

USER: Please proceed with the reservation.

ASSISTANT: Your booking is done in economy class, the depart time is 19:00 PM and the return time is 5:00 AM.

USER: Thank you for reserving my flight ticket.

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