You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Steven Taylor, want to visit Metropolitan museum at New York, JFK.

ASSISTANT: Ok.

USER: Can you please book a flight ticket from DCA?

ASSISTANT: Sure, May I know your journey dates?

USER: I want to fly on 05/01 and return on 05/03.

ASSISTANT: Do you have any specifications?

USER: Yes, there should be a lay by.

ASSISTANT: You have a flight with airline UA and flight number is 1017 with 1 connection and price is 200.

USER: You can proceed to book.

ASSISTANT: Your reservation is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us, have a nice day.