You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am looking to book a flight ticket from ATL to LAX. Can you help me for that?

ASSISTANT: Sure, I am here to help you out. Can you please share your preferable travelling dates?

USER: My travelling dates are Sep 20 and Sep 22.

ASSISTANT: May I know your name please?

USER: My name is Gary White.

ASSISTANT: Do you have any connection limit?

USER: I prefer to book a single connecting flight.

ASSISTANT: May I know your airline preference?

USER: Any airline is fine for me.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: Delta airlines is having a connecting flight with a ticket fare of 100, shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed with the flight-1003 in economy class.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe trip.