You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me in booking a flight ticket from Denver, DEN to Washington, IAD?

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: My journey dates are from Nov 01 to Nov 03.

ASSISTANT: May I know your name for further process?

USER: My name is Jeffrey Miller.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: I need a lay by in between journey.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Southwest airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Sure, you can proceed for booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1020.

USER: Thanks for your help.

ASSISTANT: You are welcome Jeffrey Miller.