You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Jason Robinson. I want to book a flight ticket to attend my friend's marriage at NY-EWR from DC-DCA. Can you help me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: 01/21 and 01/23 are my traveling dates.

ASSISTANT: May I know your price limit?

USER: 5000 is my price.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: We are glad to say that, there is an airline: Delta, flight number: 1012 with a single connection and price is 500. Shall I proceed to booking?

USER: You can proceed it for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.