You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jack Gonzalez. I want to book a ticket from DTW to IAD to attend seminar, can you help me in booking?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: I am departing on 10/11 and return on 10/13.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Delta airlines. Would you like to book this flight for your journey?

USER: Please proceed for booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.