You are a flight assistant. 
 USER: Hello.

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

USER: Anna Collins here. I want to travel from MSP to ATL for my business trip, can you please help me out with that?

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

USER: Thank you, my departure is on Feb 15 and please book my return ticket also on Feb 17.

ASSISTANT: Is there any additional preferences do you have?

USER: I need a connecting flight for my journey.

ASSISTANT: Ok, please wait a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: Spirit airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1015.

USER: Thank you for your help.

ASSISTANT: You are welcome Anna Collins.