You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to attend a event in Las Vegas, can you please make a reservation from SFO to LAS?

ASSISTANT: Please provide your trip dates.

USER: I want to start my journey on Jan 18th, and intend to return back on Jan 20th.

ASSISTANT: Do you need any connection limit?

USER: Yes, I prefer a flight with single connection.

ASSISTANT: Do you need any other specifications?

USER: I don't have  any other specifications.

ASSISTANT: May I know your name?

USER: My name is Jerry Campbell.

ASSISTANT: Delta Airlines is providing direct flight on this route with a ticket fare of 200 and flight departs at 5:00 hours and arrives at 19:00 hours, shall I book your ticket in this flight?

USER: Ok, confirm my ticket.

ASSISTANT: Your ticket is confirmed in flight 1017.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.