You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you aid me to book my ticket from DCA to ORD?

ASSISTANT: Sure, I am here to help you out. May I know your travel dates please?

USER: My trip dates are Apr 2 and Apr 4 respectively.

ASSISTANT: Can you please share your name for documentation purpose?

USER: Jerry Phillips here.

ASSISTANT: Is there any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No specifications.

ASSISTANT: United airlines is providing connecting flight for you with the fare of 500 in business class, shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with the flight-1025.

USER: Thank you.

ASSISTANT: Thank you for choosing us.