You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I support you?

USER: Can you please help me in booking a direct flight to reach Detroit?

ASSISTANT: Sure, I am happy to help you. Let me know your trip dates to proceed further.

USER: My planned dates are on Feb 2nd to 4th.

ASSISTANT: Kindly mention your source airport code.

USER: My source airport code is EWR.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, my name is Carol Anderson.

ASSISTANT: I am sorry to inform you that, there were no flights available that matches your requirements.

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.