You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Joseph Carter.

ASSISTANT: Carter, how can I help you today?

USER: I am looking for a flight on the route from DCA to EWR, can you please find that any airlines providing service on this route?

ASSISTANT: Sure, can I know your preferred travel dates?

USER: My departure date is 03/23 and return date is on 03/25.

ASSISTANT: Please wait, let me check.

USER: Please make sure that, my connection limit should be 1.

ASSISTANT: Thank you for waiting. As per your requirements, there is a flight available with Frontier airlines, can I proceed for booking your ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking, great service.

ASSISTANT: Thank you for choosing us, have a safe flight.