You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I would like to visit Detroit for my office work. Can you please help me to book my flight ticket?

ASSISTANT: Sure, May I know the travelling dates?

USER: Thank you so much. I would like to start my journey on Aug 5th and return back on Aug 7th.

ASSISTANT: Please help me with your journey codes.

USER: I would like to travel from BOS to DTW.

ASSISTANT: Do you have any connection limit?

USER: Yes, I only prefer for a connecting flight.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Alexander Gonzalez.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for opting us.