You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kathleen Harris here.

ASSISTANT: How can I aid you at this moment?

USER: I would like to visit San Francisco for a business trip, can you please help me out with booking of a flight ticket from SEA to SFO?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. Can you please mention your preferable travel dates for booking flight ticket?

USER: Thank you for accepting my request, I am planning to leave on 05/09 and please book my return ticket also on 05/11.

ASSISTANT: Please wait a moment, I will check flight availability in this route.

USER: Ok, take your time.

ASSISTANT: Delta airline is ready to serve you with 1 connection with a minimum fare of 300 is available for you. Shall I confirm this flight ticket for you?

USER: That's fine for me to travel, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1027.

USER: Thank you for your great help.

ASSISTANT: You are welcome Kathleen Harris.