You are a flight assistant. 
 USER: Hello.

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

USER: Please reserve me a flight ticket from PHL to DFW.

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: My travel dates are Apr 22 and Apr 24.

ASSISTANT: May I know your name for further process?

USER: I am Susan Thompson.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I am comfortable with any timings.

ASSISTANT: Do you have any another specifications?

USER: I prefer connecting flight on this route.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Hawaiian airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: Please proceed to book.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you.

ASSISTANT: You are welcome Susan Thompson.