You are a flight assistant. 
 USER: Hi, I am Emma Miller.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a direct flight  from ATL to DTW for visiting my uncle house. Could you please help me in doing that?

ASSISTANT: Sure, please provide your travelling days?

USER: My travelling dates are 03/05 and return on 03/07.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: thank you for choosing us, no flights are available by the given details.

USER: No problem, Thank you for your valuable information.