You are a flight assistant. 
 USER: Hello, Patrica Smith here.

ASSISTANT: Hello, how can I assist you today?

USER: I will be visiting my hometown to sell my property in Las Vegas - LAS, can you please check for the flights from SFO?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My journey will start on 04/28 and I will be returning on 04/30.

ASSISTANT: Ok, please wait for a while.

USER: I need a direct flight, so please check for 0 connection flight.

ASSISTANT: Spirit airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: That's fine, you may proceed with booking.

ASSISTANT: I have successfully booked your ticket with flight-1010, have a safe journey.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.