You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you for the day?

USER: I would like to attend a musical event at Phoenix, can you help me to book a flight ticket from DEN to PHX?

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

USER: My travelling dates are 13 and 15 of Mar.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your specific depart and arrival timings?

USER: No.

ASSISTANT: May I know your airline preference?

USER: My airline preference is normal cost.

ASSISTANT: Can you please provide your name to proceed further?

USER: I am Dennis Moore.

ASSISTANT: Delta airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 15:00PM and arrives at 5:00AM, shall I book your ticket in this flight?

USER: Please proceed to booking.

ASSISTANT: Dennis Moore, your ticket is booked in flight number 1027 of economy class.

USER: Thanks for helping me.

ASSISTANT: You are welcome.