You are a flight assistant. 
 USER: Hello, I am James Smith.

ASSISTANT: Hello, how can I aid you?

USER: I would like to travel from DTW to DCA. Could you please help me to book a ticket?

ASSISTANT: Could you provide me your travelling dates?

USER: My travelling dates will be on 10/05 to 10/07.

ASSISTANT: Do you require connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT:  How much can you afford for the journey?

USER: I can pay 200.

ASSISTANT: We found a connecting flight Delta with flight number 1002 and fare is 100.

USER: You can proceed to booking.

ASSISTANT:  Your booking is done.

USER: Thank you.

ASSISTANT:  Thank you for availing us.