You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

USER: I am Michael Davis. Due to an Autoshow, please book a flight ticket to Detroit, MI-DTW from Atlanta, GA-ATL.

ASSISTANT: OK, please provide me your travelling dates?

USER: Return on 07/07 and departure by 07/05.

ASSISTANT: OK, do you have any specifications?

USER: Price limit 5000. Connections limit 1.

ASSISTANT: Sorry to say you that there are no flight found with your requirement.

USER: Thanks for the assistance.

ASSISTANT: Thank you, for reaching us.