You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you help me to book a flight ticket from DCA to SEA.

ASSISTANT: Sure, I am here to help you. Can you please let me know your travelling dates?

USER: My travel dates are Jan 19 and Jan 21.

ASSISTANT: Do you prefer any break in between journey?

USER: Yes, I prefer break in between my journey.

ASSISTANT: Can I have your good name?

USER: I am Brandon Lopez.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Thanks for providing details, there is a connecting flight found in Spirit airline with a fare of 100 which departs at 23:00 and return at 10:00. 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 1027.

USER: Thank you.

ASSISTANT: Thank you for opting us.