You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking a flight ticket from DEN to SFO?

ASSISTANT: Sure, can you please mention with your dates of journey?

USER: I want to fly on Jan 23 and return on Jan 25.

ASSISTANT: May I know your good name please?

USER: Myself Mark White.

ASSISTANT: Are you looking for any other help from my side please?

USER: I need a single connection.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a connecting flight of fare 200 with the Spirit airline, are you ok with this ticket booking?

USER: You can proceed to booking.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1013.

USER: Thank you.

ASSISTANT: You are welcome, have a safe journey.