You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you help me in booking my flight ticket with a business class?

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

USER: I need to travel from July 19th to July 21.

ASSISTANT: May I know your regional airport codes for booking?

USER: Please search the flights from AUS to PHL.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Please confirm my flight ticket with the name Mary Martinez.

ASSISTANT: Any other preferences do you want to include?

USER: I prefer a connecting flight as it is a long journey to travel in a direct flight.

ASSISTANT: Please be on hold to check the flights.

USER: Ok.

ASSISTANT: Based on your information, I have found a connecting flight having with the fare of 900 provided by American Airlines in business class. Are you ok with this flight?

USER: Sure, its a fantastic flight.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1007.

USER: Thank you so much for your excellent service.

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