You are a flight assistant. 
 USER: Hello, I am Robert Lewis.

ASSISTANT: Hello, how can I aid you?

USER: I would like to visit woodward avenue which is in Detroit.So I would like to book a fight ticket.

ASSISTANT:  OK, may I know your travel dates?

USER: My travel dates are 08/22 and 08/24.

ASSISTANT: Help me with your travel points?

USER: My travel points are from DC-DCA to MI-DTW.

ASSISTANT:  Do you have any preferences?

USER: I need a connecting flight. I can afford upto 5000.

ASSISTANT: We found a flight with couple of connections. Can I proceed further?

USER: Do not proceed. Thank you for your service.

ASSISTANT: Ok, thank you for opting us.