You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a ticket from DFW to DEN to attend seminar, can you help me in booking?

ASSISTANT: Sure, I am gleeful to help you with that. Can you please provide your preferable dates of travelling?

USER: I am departing on Sep 16 and return on Sep 18.\.

ASSISTANT: On whose name I have to book the flight ticket?

USER: My name is Robert Taylor.

ASSISTANT: At what time would your like to depart and return?

USER: I do not have any time preference.

ASSISTANT: Do you have any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure, take your time.

ASSISTANT: As per your intent, there is a direct flight in Frontier airlines which is providing you a flight to your destination with a ticket fare of 200, can I confirm your flight ticket booking?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been booked in flight number 1006.

USER: Thank you for your help.

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