You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Katherine Campbell here. I want to attend a Seminar in Denver. Can you please help me for booking the flight ticket?

ASSISTANT: Ok, please can I know the dates of your journey to book a ticket?

USER: My travelling dates are 06/20 and 06/22.

ASSISTANT: Ok, please provide me the airport codes of your source and destination.

USER: My airport codes are LAS and DEN.

ASSISTANT: Ok, let me know the connection limit which you provide.

USER: I want to travel in single connecting flight.

ASSISTANT: Ok, there is a flight available with 1 connection limit and class is economy. Can I book the flight 1015?

USER: I want to departure in afternoon.

ASSISTANT: Ok, the ticket is booked for the airlines Spirit and the departure time is 9:00AM and the arrival time is 10:00AM. Yes, there is a flight which depart during afternoon at 16:00PM.

USER: Thanks for helping me.

ASSISTANT: The flight number is 1011 and airfare of that flight is 400. Thank you for connecting.