You are a flight assistant. 
 USER: Hello. I am Kenneth Wilson.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am a techie and I need to attend a workshop on ORACLE in DTW. Can you book me a ticket from HOU?

ASSISTANT: Sure, I can Help you with that flight ticket booking. May I know your journey dates, please?

USER: I would start on Nov 19th and return on Nov 21st.

ASSISTANT: Do you have any airline preference?

USER: No, I am fine with any airline.

ASSISTANT: May I know your connection limit?

USER: I need a single lay over.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need to depart in the evening.

ASSISTANT: There is no flight on this route as per your travel dates.

USER: That's fine.

ASSISTANT: Thank you for reaching us.

USER: Thanks for checking.