You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Please book me a flight ticket from DEN to DTW to meet my family.

ASSISTANT: Sure, I am here to help you with that. Can you please share your preferable travel dates?

USER: I have planned to travel on Oct 29th and return Oct 31st.

ASSISTANT: May I know your name please?

USER: Brian Phillips.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Would you like to board a direct flight or connecting flight?

USER: I like connecting flight with normal cost.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a connecting flight-1001 with single connection limit and the ticket fare is 400. Shall I proceed with booking?

USER: Ok, please book this ticket.

ASSISTANT: Brian Phillips, your booking is confirmed successfully in economy class.

USER: Thank you.

ASSISTANT: Most welcome, thank you for reaching us. have a safe journey.