You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can help you at this moment?

USER: Can you help me to book a flight ticket from DEN to DTW?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My travel dates are May 05 and May 07.

ASSISTANT: May I know your name for further process?

USER: I am Brandon Thomas.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I would like to depart in the evening time.

ASSISTANT: Do you have any another specifications?

USER: I prefer connecting flight for this trip.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.