You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from DEN to EWR to attend seminar, can you help me in booking?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Do you prefer a connected flight or a direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Ok, please specify your name.

USER: My name is Nicholas Martinez.

ASSISTANT: In which class, you prefer to go?

USER: I do not have any class preference.

ASSISTANT: May I know your planned dates?

USER: I am departing on June 08 and return on June 10.

ASSISTANT: Is there any other concerns?

USER: I do not have any other specifications.

ASSISTANT: We found a connecting flight with a fare of 400 in 1017 Delta Airlines, shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.