You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to book a ticket from DTW to BOS. Can you please help me out to book a flight ticket for me?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: I am planning to travel on Aug 01 and return back on Aug 03.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other specifications in your journey?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Kenneth Lee.

ASSISTANT: Sorry, there were no flights with your given details.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.