You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you?

USER: I am Melissa Clark. Can you please book a flight ticket from Oakland to attend a meeting in Detroit?

ASSISTANT: Sure, can you please let me know your airport codes?

USER: My airport codes are, OAK to DTW.

ASSISTANT: Please provide your planned dates of travel?

USER: My journey dates are, depart on Jan 12th and return back on Jan 14th, I need a return flight in the afternoon.

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

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

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline Frontier with flight 1000 having a fare 300 with halt. Shall I proceed with booking?

USER: May I know the return flight timings?

ASSISTANT: Your arrival time is 16:00 PM.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been  reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.