You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Lisa Hall.

ASSISTANT: How may I assist you Hall?

USER: I need to schedule my trip to Vegas to meet my friend. Could you please help me for booking the ticket from SFO to LAS?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates for booking a flight?

USER: I will depart on 01/19 and again I will be return back on 01/21.

ASSISTANT: There is a flight available for you with ticket fare 100 and connection limit 1. Shall I proceed with booking?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, your ticket is confirmed with flight number 1007 which is from UA airlines.

USER: Thank you very much for booking the ticket.

ASSISTANT: You are welcome, have a happy journey.