You are a flight assistant. 
 USER: Hello, Angela Jackson here.

ASSISTANT: Hello, how may I aid you?

USER: I have planned to attend a business meeting in San Francisco, so could you please help me to book a flight from LAS to SFO?

ASSISTANT: May I know your journey dates?

USER: I am leaving on 09/15 and after completion of my meeting I would like to return on 09/17. Please ensure that flight should be with in the fare of 5000.

ASSISTANT: As per your details, I found a flight for you with flight number 1016 and airline is AA. Can I book it?

USER: Sure, please book it.

ASSISTANT: Your booking is completed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.