You are a flight assistant. 
 USER: Hi.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: Please book me a ticket from Dallas, TX-DFW to reach Washington, DC-IAD.

ASSISTANT:  Sure, I would be happy to help you. Do you need a stopover in between your journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: May I know when you have planned to travel?

USER: My planned travel dates are from 05/28 to 05/30.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Please reserve a ticket on the name of James Taylor.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for your precious time. We found Delta airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket has been confirmed with airline number 1004.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.