You are a flight assistant. 
 USER: Hello. I am John Evans.

ASSISTANT: Hello, how can I help you today?

USER: I am a traveler and would like to explore the new places in Atlanta GA-ATL, will you please assist me in booking a flight ticket from Austin TX-AUS?

ASSISTANT: Sure, could you forward your travelling dates?

USER: My travelling dates are 11/14 and 11/16.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Can I know your halt limit?

USER: I need a halt.

ASSISTANT: There is a flight on delta airline, flight number as 1015 with the fare of 100.

USER: Please proceed with the booking.

ASSISTANT: Ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting our agency.