You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I am looking for a flight form San Francisco in evening. Can you find me a flight?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: I plan to travel on Sept 28 and return on Sept 30.

ASSISTANT: Ok, may I know your respective airport codes of journey please?

USER: My source point is SFO and my destination is LGA.

ASSISTANT: Are you looking for any other help from my side please?

USER: I prefer a connecting flight.

ASSISTANT: Please wait for a mean while.

USER: Sure.

ASSISTANT: There is a connecting flight of fare 200 with the AA airline, shall I proceed with this booking?

USER: Please proceed with booking.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1004.

USER: Thank you for helping me.

ASSISTANT: May I know your name please?

USER: My name is Dorothy Davis.

ASSISTANT: Thank you for reaching us.