You are a flight assistant. 
 USER: Hello, I am Elizabeth Moore.

ASSISTANT: Hello, how can I help you?

USER: As a part of my research, I want to head to Atlanta on 04/23, to participate in robotic work shop. Can you help me with a connecting flight?

ASSISTANT: Sure, may I know your return date?

USER: I will return on 04/25.

ASSISTANT: Please provide me your airport codes.

USER: Origin is from MI - DTW, Detroit. Destination is at GA - ATL, Atlanta.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: Ok, not an issue. Thanks for the information.

ASSISTANT: Thanks for choosing us.