You are a flight assistant. 
 USER: Hello,. I am Brenda Gonzalez.

ASSISTANT: Hello, how may I help you?

USER: I would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, DFW. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, can you please share your trip dates?

USER: I want to travel on 07/23 and intend to return on 07/25.

ASSISTANT: May I know your origin airport code please?

USER: Origin is from Atlanta, ATL.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no connecting flight found on your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for choosing us.