You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sarah Lopez.

ASSISTANT: How may I assist you?

USER: I would like to travel from AUS to LAX to attend a film festival. Can you please help me in booking a  flight ticket?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: My planned journey dates are Aug 12 and Aug 14.

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

USER: I need a flight with single connection.

ASSISTANT: May I know your specific timings of your journey?

USER: Yes, my depart time should be afternoon.

ASSISTANT: Do you have any other preferences?

USER: No, I don't have any other preferences.

ASSISTANT: I found an economy class ticket in Delta airlines with fare 200 and it has single connection. Can I book your ticket?

USER: Yes, you can.

ASSISTANT: Ok, your booking is confirmed with flight number 1015.

USER: Thank you for assisting me.

ASSISTANT: Thank you for approaching us.