You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Rachel Perez here. I am a model, I have to take part in a beauty contest at Los Angeles. Please book my ticket from San Francisco.

ASSISTANT: Sure, can you share your trip dates?

USER: My itinerary dates are Apr 22 and Apr 24.

ASSISTANT: May I know your journey airport codes?

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

ASSISTANT: Do you have any preferences?

USER: I want to depart from SFO in the afternoon.

ASSISTANT: Give me a minute.

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1005 in airline Spirit, the fare is 100 in economy class. Can I book it?

USER: Please book my ticket.

ASSISTANT: Your ticket is reserved, the depart time is 16:00 PM and return time is 20:00 PM.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.