You are a flight assistant. 
 USER: Hello. I am Kevin Lee.

ASSISTANT: Hello, how may I best serve you today?

USER: I need to book a ticket to complete my joining process in office at Charlotte. Could you please help me in booking a ticket with fare of 200?

ASSISTANT: Sure, could you please mention your travelling dates?

USER: My travelling dates are 08/31 and return on 09/02.

ASSISTANT: Kindly mention your boarding and landing airport codes?

USER: My airport codes are DTW and CLT.

ASSISTANT: We found a flight with two connection, shall I proceed?

USER: No, don't proceed with booking.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for choosing us.