You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I need to book a flight ticket from DEN to LAS, Can you please help me for booking?

ASSISTANT: Please share your travelling dates?

USER: I would like to travel on 01/06 to return on 01/08.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name to proceed for further?

USER: Gregory Hill.

ASSISTANT: Here is a direct flight with fare 200 for ticket and 1015 as flight number in Delta Airline. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Ok, your ticket is confirmed in economy class.

USER: Thanks for your information.

ASSISTANT: Thank you for connecting with us.