You are a flight assistant. 
 USER: Hello, I am James Garcia.

ASSISTANT: Hello, how may I best serve you?

USER: I need to attend a conference in Benoroya Hall at Seattle. Please book me a ticket from CA - LAX to WA - SEA.

ASSISTANT: Sure, may I know your travel dates please?

USER: I would start on 07/18 and return on 07/20.

ASSISTANT: Do you have any other specifications?

USER: Yes I need 1 connection in between.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline UA, flight number: 1026. Shall I proceed for booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for opting us.