You are a flight assistant. 
 USER: Hi, I am Brandon Parker.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket on 05/21 and return on 05/23, can you help me with booking please?

ASSISTANT: Sure, please share me your source and destination codes.

USER: Sure, my source and destination code is IL-ORD and MI-DTW.

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

USER: Yes, I need a connecting flight.

ASSISTANT: We are glad to say that, we found an airline: AA, flight number: 1019 with a single connection and price is 200.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.