You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Need your assistance for booking a flight ticket to SFO with a direct flight.

ASSISTANT: Sure, can you please share your trip dates?

USER: Sure, my trip dates are on April 4 and 6.

ASSISTANT: From where you are planning to take off?

USER: I am boarding from AUS.

ASSISTANT: Do you prefer any specifications?

USER: I would like to travel in any normal cost airline.

ASSISTANT: Any class preference you are expecting?

USER: No.

ASSISTANT: At what time you are planning to travel?

USER: I am comfortable with any time.

ASSISTANT: AA airline is providing you a direct flight with the fare 200 in economy class.

USER: Ok, please proceed for booking.

ASSISTANT: May I know your name for booking?

USER: Sure, my name is Jonathan Baker.

ASSISTANT: Your booking is done and 1014 is your flight number.

USER: Thank you.

ASSISTANT: Thank you.