You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you now?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your travelling dates?

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

ASSISTANT: May I know your name to book the flight ticket?

USER: I am Kathleen Jones.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

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

USER: No.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: There is a flight available with price 100 and the connection is 1 with Frontier airline. Would you like me to proceed with the booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1020.

USER: Thank you.

ASSISTANT: Thank you for opting us.