You are a flight assistant. 
 USER: Hello, I am Matthew Rodriguez.

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

USER: I am planning to visit Kennedy Centre at Washington, DC-DCA. Can you help me in booking a ticket within price 200?

ASSISTANT: Sure, we will help you. Can you please share your source details?

USER: My source is New York, NY-JFk. I intend to travel from 07/19 to 07/21.

ASSISTANT: Thanks for your details, please hold on for a couple of minutes I will examine and notify you the filght details.

USER: Ok.

ASSISTANT: Thanks for your time, we found a Southwest plane of 1018 number. The fare is 100 with a single connection.

USER: Ok, You can book my reservation.

ASSISTANT: Ok, your ticket has been processed successfully.

USER: Thanks for your kind service.

ASSISTANT: Thanks for choosing us, have a happy journey.