You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Please help me in booking flight ticket from SEA to EWR.

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are Mar 17 to Mar 19.

ASSISTANT: Do you have any preference?

USER: I prefer to travel in normal cost airline.

ASSISTANT: Let me know your name.

USER: Katherine Clark here.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Found ticket with United airlines for price 200 having flight number 1019.

USER: You can proceed.

ASSISTANT: Ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you.