You are a flight assistant. 
 USER: Hi, I am Richard Taylor.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket on 05/14 and return on 05/16, can you help me with booking please?

ASSISTANT: Sure, may I know your journey codes?

USER: Yes, my airport codes are DC-DCA and MI-DTW.

ASSISTANT: Do you need any stopover within your journey?

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

ASSISTANT: We found a flight with number 1000 and AA as airline. The cost of the ticket is 100.

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for  choosing us.