You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Myself Michelle Baker. I am looking for a flight from DTW to DFW, can you help me in booking?

ASSISTANT: Sure, please send your travelling dates.

USER: Sure, my planned travel dates are Jan 18 and Jan 20.

ASSISTANT: Do you have any connection preference?

USER: Actually, I am looking for a direct flight.

ASSISTANT: Please stay connected. I am working on it.

USER: Ok, I would like to return my journey for the afternoon flight.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: You are welcome, have a nice day.