You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: Eric Lopez here. I am a scientist, I have to meet my subordinates to discuss about some issues in our project. So please book my ticket from DFW to IAD.

ASSISTANT: I am glad to help you with your request, can you please let me know your planned dates of your journey?

USER: My itinerary dates are 11/24 and 11/26.

ASSISTANT: I found a flight in Spirit airlines with a ticket fare of 200 and there is a 1 stop and go in your trip in 1015 flight, can I proceed with ticket booking?

USER: Please proceed.

ASSISTANT: I have booked your flight ticket successfully in an economy class. Have a safe journey.

USER: Thank you for helping me.

ASSISTANT: You are most welcome, thank you for reaching out here.