You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I planned to meet my friend in BOS, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: I prefer to travel on May 12 and May 14.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: I am Samantha Miller.

ASSISTANT: Spirit Airlines is providing connecting flight on this route with a ticket fare of 300 and flight departs at 13:00 hours and arrives at 6:00 hours, shall I book your ticket in this flight?

USER: Ok, please confirm my booking.

ASSISTANT: Samantha Miller, your ticket is booked in business class of flight number 1001.

USER: Thank you for your help.

ASSISTANT: You are welcome and have a safe journey.