You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to travel from SEA to DFW as a business trip, can you do the reservation?

ASSISTANT: May I know your trip dates?

USER: My journey dates are 09/09 and 09/11.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need break in my journey.

ASSISTANT: Is there any other concern?

USER: Departure time should be afternoon.

ASSISTANT: May I know your name please?

USER: Stephanie Carter here.

ASSISTANT: Spirit Airlines is providing the connecting flight and the fare of 300, shall I proceed?

USER: Go ahead.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1007.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.