You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you out?

USER: I am planning to travel on 10/15 to attend a seminar regarding current global issues at Austin. Can you help me book a flight ticket from Dallas & Fort Worth?

ASSISTANT: Ok. Can you mention your name?

USER: My name is Mark King.

ASSISTANT: Can you share the airport code of Austin?

USER: My destination is AUS.

ASSISTANT: Please forward your return date of travel.

USER: I want to return on 10/17.

ASSISTANT: Ok, May I know, your landing point? Your boarding point.

USER: I prefer to start from my nearest airport, DFW.

ASSISTANT: Do you need any requirements?

USER: I need a connecting flight.

ASSISTANT: Spirit airline is available on respective dates of travel. Your flight number is 1010 with a connecting flight. May I proceed to book?

USER: You can proceed for booking.

ASSISTANT: Reservation is done on your name.

USER: Thank you for choosing us.

ASSISTANT: Thanks for choosing us.

USER: Thank you.