You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Rachael Anderson. As I am a event organizer for Culture, heritage and folk festivals, so look after all these festivals I want to book a flight to Washington DCA.

ASSISTANT: Sure. Could you please share your source code?

USER: Could you please help me in booking a ticket from New York EWR?

ASSISTANT: Let me know your journey dates to check the flights.

USER: My travelling dates are 03/22 and return on 03/24.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need one connection.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Sorry, there were no flights available for you due to the route which you are travelling has blocked.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for choosing us.