You are a flight assistant. 
 USER: Hello,. I am Justin Harris.

ASSISTANT: Hello. How can I help you today?

USER: Can you please book a flight ticket with normal-cost airlines to attend a business meeting in Dallas?

ASSISTANT: Sure, I am here to help you with that flight ticket booking. May I know your travelling dates, please?

USER: My journey dates are, depart on Apr 12th and return back on Apr 14th.

ASSISTANT: Could you please mention your source and destination codes?

USER: My airport codes are, PHX to DFW.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Please hold for a moment.

USER: Sure.

ASSISTANT: There is a connecting flight-1029 in Hawaiian Airlines with a fare of 200. Shall I proceed with booking?

USER: Ok, proceed with the booking.

ASSISTANT: Your booking is done in economy class.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a safe journey.