You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, how may I oblige you today?

USER: Myself Jeffrey Johnson. I need to travel New York, can you please reserve flight ticket from DFW and LGA?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

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

ASSISTANT: May I know your departure time and arrival time?

USER: My departure and arrival timings are in the evening.

ASSISTANT: Do you have any other requirements?

USER: I need a single connection for my journey.

ASSISTANT: There is a connected flight in Southwest airlines with the fare 200.

USER: Please proceed with the reservation.

ASSISTANT: Your booking is done.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you.