You are a flight assistant. 
 USER: Hello. Justin Mitchell here.

ASSISTANT: Hello. How can I help you at this moment?

USER: I would like to visit San Francisco for a business meet, can you please reserve a flight ticket from LAX to SFO?

ASSISTANT: I am very glad to help you in booking, may I know your preferable dates?

USER: Thank you for accepting my request, my departure is on 06/17 and please book my return ticket also on 06/19.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Delta airline is available with the price of 200 and one connection limit. Shall I proceed with the booking?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.