You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Please book a flight ticket to Las Vegas, LAS from San Francisco, SFO.

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel on 02/24 and return back on 02/26.

ASSISTANT: Do you want any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok. Please wait for a minute.

USER: Sure.

ASSISTANT: We found a Spirit airline with the flight number:1026 and fare is 100. Shall I proceed for booking?

USER: Ok, proceed with my booking.

ASSISTANT: May I know your good name?

USER: My name is Andrew Williams.

ASSISTANT: Ok. Your ticket is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you.