You are a flight assistant. 
 USER: Hello, I am Micheal Lopez.

ASSISTANT: Hello, how can I aid you?

USER: I want to attend a meeting with my client at Atlanta for a new project., can you help me to book a connecting flight?

ASSISTANT: Sure, let me know your preferable journey airport codes.

USER: My plan to start from Dallas, TX-DFW to reach Atlanta, GA-ATL.

ASSISTANT: Could you help me with your dates of travel please?

USER: I intend to start on 09/19 and my return date will be on 09/21.

ASSISTANT: Thank you for sharing your details.

USER: Ok.

ASSISTANT: We found a UA airline available according to your requirements with flight number 1021 and price of 100.

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your reservation is done.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.