You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Anna Nelson. I want to book a ticket from New York to Washington to visit white house, can I you please help me?

ASSISTANT: Sure, when are you planning to travel?

USER: I have planned to leave on 09/23 and arrive on 09/25.

ASSISTANT: Can you please provide your codes of the airport?

USER: Airport codes are JFK and DCA.

ASSISTANT: Please provide your specifications.

USER: I need a halt in between journey.

ASSISTANT: We found a direct flight with your details. Shall I proceed?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thank you for helping me.

ASSISTANT: Thank you.