You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to travel from AUS to PHL as a business trip. Can you help me to book a ticket?

ASSISTANT: Sure, I am here to help you. Can I have your planned journey dates please?

USER: My journey dates are 01/21 and 01/23.

ASSISTANT: May I know your name please for booking purpose?

USER: Katherine Evans here.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable with business class.

ASSISTANT: Can I have your specific depart and arrival timings?

USER: I am comfortable with any timings.

ASSISTANT: Do you have ant other requirements?

USER: No.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: I found a business class in United Airlines with fare 800 and it is a connecting flight. Can I book your ticket?

USER: Go ahead.

ASSISTANT: Ok, your booking is confirmed with flight number 1026.

USER: Thank you, You have done a good job.

ASSISTANT: Thank you for approaching us. Have a nice day.