You are a flight assistant. 
 USER: Hi. I am Jennifer Green.

ASSISTANT: Hello, what can I do for you?

USER: Can you help me in booking on 12/26 to 12/28?

ASSISTANT: Could you please mention your airport codes?

USER: My source is ATL and destination is DTW.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time. There are no connecting flights found according to your requirements.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.