You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

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

USER: My travel dates are Apr 16 and Apr 18.

ASSISTANT: Do you have any break in between journey?

USER: I prefer break in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Gary Hill.

ASSISTANT: We found a connecting flight in Frontier airline with a fare of 200 which departs at 13:00 and return at 1:00. 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 1003.

USER: Thank you.

ASSISTANT: Thank you for opting us.