You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am Rebecca Mitchell. I need to gather my old documents at Washington so I want to go from New York, can you please help me to book a ticket with the fare of 200?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know when are you willing to travel?

USER: I have planned to travel on 03/22 and 03/24.

ASSISTANT: Do you need a stop over in the middle of your journey?

USER: Yes, I need a halt.

ASSISTANT: Kindly share your airport codes.

USER: My airport codes are from EWR to DCA.

ASSISTANT: Ok, please give me moment.

USER: Ok.

ASSISTANT: Southwest airline with flight number 1029 is available on your required dates and the cost of ticket is 200. Shall I proceed with this booking?

USER: Ok, please book this ticket.

ASSISTANT: Your request for reservation has been processed. Your tickets will be sent to your registered mail address.

USER: Thank you.

ASSISTANT: Thank you for choosing us.