You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER: I want to book a ticket from EWR to SEA. Could you book a ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Departure is on Apr, 28 and return is by Apr, 30.

ASSISTANT: Do you have any other specifications?

USER: I would prefer connecting flight.

ASSISTANT: Please help me with your name for booking.

USER: I am Steven King.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 with flight number 1004. Shall I proceed with this flight?

USER: Please book a ticket.

ASSISTANT: Your booking is done in United airlines.

USER: Thank you.

ASSISTANT: Thank you for choosing us.