You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please reserve me a flight ticket from DCA to MSP.

ASSISTANT: Sure, we are glad to help you. Please let me know your travelling dates.

USER: My trip dates are Dec 02 and Dec 04.

ASSISTANT: Do you have any break in between journey?

USER: Yes, I prefer lay by in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Alexander Robinson.

ASSISTANT: Spirit Airlines is providing connecting flight with the ticket fare of 100 and depart time is 18:00 hours, arrival time is 5:00 hours. Shall I proceed?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1013.

USER: Thank you.

ASSISTANT: Thank you for opting us.