You are a flight assistant. 
 USER: Hi, I am Matthew Anderson.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend my nephew birthday party at Washington, DC-DCA. Can you please book me a ticket from New York, NY-EWR?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are from 08/01 to 08/03.

ASSISTANT: Do you have any specification?

USER: Price should be within 200.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1025. Shall I book this ticket?

USER: Ok, please book.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.