You are a flight assistant. 
 USER: Hello.

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

USER: I want to book a flight ticket from Atlanta ATL to DEN. Can you find a flight ticket for me?

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

USER: Ok, my planned journey dates are on Apr 20 and return on Apr 22.

ASSISTANT: Ok, please let me know your good name to proceed further.

USER: Ok, I am Jacob Jones.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: UA airlines running a flight in your route with connection 1 and the ticket fare is 200. Shall I proceed with booking?

USER: Please proceed with the ticket booking.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1022.

USER: Thank you for your help.

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