You are a flight assistant. 
 USER: Hi.

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

USER: Dorothy Lewis here, can you help me to book a flight from ATL to DEN?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: My travelling dates are 04/17 and 04/19.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Please search for a connecting flight for me.

ASSISTANT: Sure Dorothy Lewis. Spirit airlines running a flight in your route with connection 1 and the ticket fare is 200. Is it ok for you?

USER: Proceed with booking.

ASSISTANT: Ok Dorothy Lewis, your ticket booking has done and the flight number is 1010.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.