You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you out?

USER: Can you help me to book a flight ticket from JFK to DEN?

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

USER: My travel dates are Mar 17 and Mar 19.

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: On which name would you like me to book the flight?

USER: Melissa Lee.

ASSISTANT: We found a connecting flight in Spirit airline with a fare of 200 which departs at 5:00 and return at 22:00. Shall I proceed for booking?

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 1006.

USER: Thank you.

ASSISTANT: Thank you for opting us.