You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to travel DTW and DCA, can you please reserve flight ticket?

ASSISTANT: Sure, help me with trip dates?

USER: My travelling dates are Apr,27 and Apr,29.

ASSISTANT: May I know your name for the booking process?

USER: Myself David Hall.

ASSISTANT: Do you have any preferences for this trip?

USER: Yes, I prefer one connecting flight.

ASSISTANT: We found a flight in an airline Spirit with 1019 number having a single connection in an economy class. Shall I proceed to book?

USER: Please proceed with the reservation.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for reaching us. Have a safe flight.