You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Thomas Carter here. I want to attend a Seminar in Detroit. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My travelling dates are Aug 11 and Aug 13.

ASSISTANT: Can you please share your airport codes?

USER: My airport codes are LAX and DTW.

ASSISTANT: Do you have any specifications?

USER: I need single connecting flight.

ASSISTANT: Can you please share your preferences?

USER: I want to return on morning.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait.

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

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for approaching us.