You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I want to attend my son's convocation ceremony, so please book my ticket from AUS to IAH.

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: I will be travelling on Nov 23 and Nov 25.

ASSISTANT: Do you have any connection preference?

USER: I prefer a direct flight.

ASSISTANT: Is there any other specifications do you have?

USER: I want to depart from Austin in the afternoon.

ASSISTANT: May I know your name to book the flight ticket?

USER: Margaret Perez here.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: I have found a direct flight having with the fare of 700 provided by Hawaiian airlines in business class. Are you ok with this flight?

USER: Go ahead to book my ticket.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1016.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us, have a great journey.