You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am William Perez. I want to book a flight ticket from SEA to ORD. Please help me in booking a flight ticket.

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are from 12/28 to 12/30.

ASSISTANT: Do you need connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight and flight number is 1005 with Frontier airline. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for reaching us.

ASSISTANT: Thank you.