You are a flight assistant. 
 USER: Hi. I am Anna Jones.

ASSISTANT: Hello. How may I help you?

USER: Can you help me in booking from DCA to ORD, as there is a business meeting to attend?

ASSISTANT: Sure, I am here to help you. Could you please share your planned journey dates?

USER: My trip dates are 09/28 to 09/30.

ASSISTANT: Do you prefer a lay by in between your journey?

USER: I need a connecting flight.

ASSISTANT: Give me a minute, I will let you know the flight availability.

USER: Sure.

ASSISTANT: Thank you for your time, there is a flight available with fare 200 and single connection in Southwest airline having 1001 as flight number. Shall I confirm it?

USER: You can reserve it.

ASSISTANT: Your reservation has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.