You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Johnson.

ASSISTANT: How can I aid you at this moment?

USER: I am planning to attend music concert at DTW, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Sure, I will help you with this. Could you please provide your journey dates?

USER: Sure, I would like to depart on Sept 2 and return on Sept 4.

ASSISTANT: Do you need any halt in this journey?

USER: I need a direct flight.

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

USER: No.

ASSISTANT: Delta airlines is providing direct flight on this route with a ticket fare of 100, shall I book your ticket?

USER: Yes, please proceed with the booking.

ASSISTANT: Karen Johnson, your ticket is booked in flight number 1015.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you and have a safe journey.

USER: You are welcome.