You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Katherine Harris. I have a plan to visit San Francisco. Can you please book me a flight ticket to visit Twin Peaks?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Please mention your journey airport codes.

USER: I need to leave from my nearest airport SEA to reach SFO.

ASSISTANT: Do you need a connection within your journey?

USER: Yes, I need a connection.

ASSISTANT: May I know your travelling dates please?

USER: I want to travel on 02/27, and need to catch return flight on 02/29.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a Delta airline with flight number 1007 and price of 100 matching your preferences.

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for the service.

ASSISTANT: Thank you for contacting us.