You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to attend a Seminar in Seattle. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Jan 25 and Jan 27.

ASSISTANT: Can I know your source airport code?

USER: My source airport code is DCA.

ASSISTANT: Do you have any requirements?

USER: I want to depart in afternoon.

ASSISTANT: Can you mention your name please?

USER: Sharon Lopez.

ASSISTANT: Southwest Airlines has a connecting flight with number 1007 for fare 200 which departs at 12:00 hours, shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.