You are a flight assistant. 
 USER: Hi, Patrick Moore here.

ASSISTANT: Hello, how may I help you today?

USER: I need to attend a seminar in New York LGA  on 03/20. Can you make a reservation with fare 500?

ASSISTANT: Sure, can you please share your return date?

USER: Sure, I need to return on 03/22.

ASSISTANT: May I know your origin airport code please?

USER: Sure, I need to start from SFO.

ASSISTANT: We found a flight with Southwest airlines, flight number is 1002 with one connection and price is 300.

USER: Please proceed to book.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your kind service.

ASSISTANT: Thanks for choosing us.