You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to book a economy class flight to meet my cousin at DTW, can you help me with booking?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: May I know your planned dates please?

USER: My travel dates are Oct 29 and Oct 31.

ASSISTANT: Ok, please specify your name.

USER: I am Kathleen Turner.

ASSISTANT: From which airport, you want to start your journey?

USER: My source airport code is DCA.

ASSISTANT: Do you prefer a connected flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Is there any other concerns?

USER: No.

ASSISTANT: We found a connecting flight with a fare of 100 in 1023 Delta Airlines, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.