You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from MSP to AUS. Please help me in booking my ticket.

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Thank you and my travelling dates are from 10/30 to 11/01.

ASSISTANT: Can I have your good name please?

USER: My name is Mary Parker.

ASSISTANT: May I know your class and airline preference please?

USER: No, there are no particular preferences for me.

ASSISTANT: Ok, please wait for a while.

USER: But make sure I need a direct flight.

ASSISTANT: Delta airlines is providing a direct flight on that route with ticket fare of 200, it's departure time is 12 PM and return time is 8 AM. Shall I proceed for booking?

USER: Please proceed with the booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1023, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.