You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to book a ticket from SEA to JFK?

ASSISTANT: May I know your planned journey dates?

USER: I want to start on Apr 11 and return on Apr 13.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Margaret Lee here.

ASSISTANT: We found a connecting flight of United airlines in the economy class with fare of 100, can I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket is confirmed with flight number 1007.

USER: Thank you.

ASSISTANT: Thank you for choosing us.