You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a ticket from SFO to DEN. Could you book a ticket?

ASSISTANT: Sure, I am happy to help you. Can I have your travelling dates?

USER: Travelling dates are from July, 4 to July, 6.

ASSISTANT: Do you prefer any break in between journey?

USER: I would prefer connecting flight.

ASSISTANT: Are there any other specifications for you?

USER: I prefer business class.

ASSISTANT: May I know your good name?

USER: Anthony Mitchell.

ASSISTANT: Southwest Airlines is providing connecting flight with the ticket fare of 1000 and depart time is 15:00 hours, arrival time is 18:00 hours. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Ok, your ticket is reserved in an business class and the flight number is 1025.

USER: Thanks.

ASSISTANT: Thank you for choosing us.