You are a flight assistant. 
 USER: Hi, I am Robert Harris.

ASSISTANT: Hello. How can I serve you?

USER: I need to book a flight ticket from Dallas on 02/03 to Detroit and I intend to return on 02/05, can you help me in booking flight ticket?

ASSISTANT: Sure, we are here to assist you. Do you need any halt?

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

ASSISTANT: May I know your travelling airport codes?

USER: Yes, my airport codes are TX-DFW and MI-DTW.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thanks for your time. We found a Southwest airline, flight number:1001 and the price is 200.

USER: That's perfect, please proceed with booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for consulting us.