You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of service you are looking from us?

USER: I am Paul Martinez. I would like to visit Los Angeles for this weekend, so I want to book a ticket from San Francisco. Can you help me in booking?

ASSISTANT: Sure, I will help you. Can you please let me know your travel dates?

USER: I am departing on 03/17 and return on 03/19.

ASSISTANT: Ok, let me know your airport codes.

USER: I am departing from SFO airport and land in LAX airport.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight-1010 available in Southwest airlines and the ticket fare is 100 only. Is it ok for you?

USER: The service of Southwest airlines is good, so please proceed for booking.

ASSISTANT: Paul, your ticket is booked successfully.

USER: Thank you for your help.

ASSISTANT: You are welcome and thank you for choosing us.