You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Brian King planning to have a round trip to DTW, can you help me to book a flight ticket?

ASSISTANT: Sure, could you please provide me your travelling dates?

USER: Sure, my preferred dates are 02/05 and 02/07.

ASSISTANT: May I know your origin airport code please?

USER: I would like to travel from DTW to DTW.

ASSISTANT: Thanks for giving your details we found a flight on your details with airline JetBlue, flight number: 1025. Shall I proceed for booking?

USER: Can you please provide the price?

ASSISTANT: Ticket price is 100.

USER: Ok, proceed with my booking.

ASSISTANT: For booking process we need your name, can you please provide me your name?

USER:  I am Brian King.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you so much for choosing us.