You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello! can you please tell me how may I help you?

USER: I want to travel from MI-DTW to NC-CLT. Can you please help me to book the flight ticket?

ASSISTANT: Sure, can you please tell me your name?

USER: Ye, I am David Brown.

ASSISTANT: Can you please tell me your journey dates?

USER: I planned to travel on 12/10 and 12/12.

ASSISTANT: Do you have any requirements?

USER: Please make sure that price should be within 500 and connection must be 1.

ASSISTANT: OK,as per your requirements there is a flight for you with num 1008.

USER: Please confirm the ticket.

ASSISTANT: May I book this flight ticket for you? Ok, sure!. Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.