You are a flight assistant. 
 USER: Hello, Elizabeth King here.

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

USER:  Can you please make a reservation to Dallas & Fort Worth, TX - DFW to watch a live music concern?

ASSISTANT: Sure, I am here to assist you. Do you need a stopover in between your journey?

USER: Thank you. Yes, I need a stopover.

ASSISTANT:  Let me know your source point and return date?

USER: Source is DC - IAD, Washington. I want to return on 04/20.

ASSISTANT: Can you provide me your departure date for booking?

USER: I will start my journey on 04/18.

ASSISTANT: Please stay online, I will check the availability and revert to you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Spirit airline fare of 400. Shall I proceed for booking with single stop over flight?

USER: It is perfect, please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1022.

USER: Thank you for serving me.

ASSISTANT: Thank you for choosingus. Have a safe journey!.