You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Chicago, will you help me in booking the flight ticket from SEA to ORD?

ASSISTANT: May I know your travelling dates?

USER: My preferable journey dates are Apr 10 and Apr 12.

ASSISTANT: Do you prefer connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Is there any preference?

USER: No, I din't have any other specifications.

ASSISTANT: Please let me know your name?

USER: Myself Nicole Parker.

ASSISTANT: Found ticket with Southwest airlines for price 100 having flight number 1005. Shall I book a ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you.