You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am looking for a flight from JFK to DFW, can you help me out?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Thank you and my trip dates are from Jan 21st till Jan 23rd.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: I need to depart in evening session.

ASSISTANT: Do you  prefer any specific class?

USER: No, I am looking for a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Frontier airlines running a flight in your route with connection 1 and the ticket fare is 200 in economy class. Shall I proceed with booking?

USER: Please proceed with it.

ASSISTANT: May I know your good name please to proceed booking?

USER: Myself Lisa Baker.

ASSISTANT: Ok Lisa Baker, your ticket booking has done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.