You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you aid me to book a ticket from BOS to DTW?

ASSISTANT: Sure, I am here to help you. May I know your planned trip dates?

USER: My trip dates are Oct 2 and Oct 4 respectively.

ASSISTANT: Do you have any connection limit preference?

USER: Make sure that I need a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: No class preferences for me.

ASSISTANT: Do you have any airline preference?

USER: I am looking for a normal cost airlines to travel.

ASSISTANT: Do you have any time preference?

USER: Any time is ok.

ASSISTANT: Could you please help me with your name?

USER: James Phillips here.

ASSISTANT: Sorry, there is no flight available on this route for the given dates.

USER: It's ok. Thank you.

ASSISTANT: Thank you for reaching us.