You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

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

ASSISTANT: Sure, I am here to help you with that. Can you please share your planned travel dates?

USER: My travelling dates are June 19 and June 21.

ASSISTANT: May I know your preferable airport codes?

USER: My airport codes are MSP and DFW.

ASSISTANT: Would you like to board a connecting flight or a direct flight?

USER: I prefer single connecting flight.

ASSISTANT: Do you have any other specifications regarding your journey?

USER: No.

ASSISTANT: American  Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 10:00 hours and arrives at 9:00 hours, shall I book your ticket in this flight?

USER: Please proceed for booking the flight ticket.

ASSISTANT: May I know your name for documentation purpose?

USER: My name is Daniel Roberts.

ASSISTANT: Your booking is done in economy class and the flight number is 1007.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing our agency, have a safe journey.