You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am a movie producer, I have to attend awards function at San Francisco. Could you book my ticket from Los Angeles?

ASSISTANT: May I know on which dates you are willing to travel?

USER: My itinerary dates are Dec 17 and 19.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My genesis and terminus airport codes are LAX and SFO.

ASSISTANT: Do you prefer a direct or connecting flight?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other requirements to be met?

USER: No.

ASSISTANT: Can I have your name please?

USER: Margaret Martin here.

ASSISTANT: Spirit airlines providing a connected flight in economy class.

USER: Please book my ticket.

ASSISTANT: Your booking is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you.