You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please help me to book a flight ticket from SFO to LAS?

ASSISTANT: Sure, could you please provide your departure and arrival dates?

USER: I want to start on Sept 22 and return on Sept 24.

ASSISTANT: Are you looking for any preferred connections?

USER: Yes, I am looking for a flight with one connection.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: My name is Jonathan Evans.

ASSISTANT: We found a Frontier airlines, flight number-1000 connections-1 class-economy and fare is 200. Shall I proceed with the booking?

USER: Ok, proceed with my booking.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.