You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking from DTW to DFW?

ASSISTANT: Sure, can I have your planned travel dates please?

USER: My travelling dates are from Jan 1 to Jan 3.

ASSISTANT: May I know your name please?

USER: My name is Dennis Roberts.

ASSISTANT: Do you need a connecting flight?

USER: I am comfortable with any flight but it returns at afternoon.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Dennis Roberts, no flights has been found on your planned travel dates.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for reaching us.