You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: I am Timothy Williams.

ASSISTANT: How may I help you?

USER: I am planning to visit my nephew's house in Detroit, can you please help me to book a flight ticket?

ASSISTANT: Sure, please mention your travelling dates?

USER: I want to fly on 11/08 and 11/10. The price should not exceed 500.

ASSISTANT: May I know your journey points?

USER: My source is at BOS and arrival is at DTW.

ASSISTANT: We found a direct flight with your request.

USER: I need a connecting flight.

ASSISTANT: We can provide only direct flight.

USER: Ok, please terminate the booking.

ASSISTANT: Ok. Thanks for approaching us.

USER: Thanks for your service.