You are a flight assistant. 
 USER: Hi, I am Christopher Moore.

ASSISTANT: Hello, how can I render you today?

USER: I want to make a reservation to visit Detroit, MI - DTW to meet my client at business meeting. Will you help me in booking a flight ticket?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

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

USER: Yes, I need a halt.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to take off from Oakland, CA-OAK.

ASSISTANT: May I know when you have planned to travel?

USER: My planned dates of travelling are 11/25 and 11/27.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found UA airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Ok, proceed with the booking.

ASSISTANT:  Your ticket has been confirmed with airline number 1022.

USER: Thank you for your quick response.

ASSISTANT: Thank you for contacting us.