You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you today?

USER: I am Michael Collins. Can you please book a flight ticket from Chicago to Charlotte to attend meeting?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My journey dates are, depart on Dec 12th and return back on Dec 14th.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: Do you have any airlines preference?

USER: No, I am comfortable to travel with any airlines.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Flight 1016 in Southwest airlines is available for you with 1 stopover and it costs you 100. Can I proceed?

USER: Ok, proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us, have a safe flight.