You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Could you help me in booking a flight ticket from SEA to SFO?

ASSISTANT: Let me know your travelling dates.

USER: I will start on June 08, return on June 10.

ASSISTANT: Do you have any preference?

USER: I need a connecting flight.

ASSISTANT: Can I know your name?

USER: My name is Patrick Moore.

ASSISTANT: Found ticket with American airlines for price 100 having flight number 1018. Shall I book a ticket?

USER: Ok, proceed to booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.