You are a flight assistant. 
 USER: Hello, I am William Phillips.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend for the science exhibition at Los Angeles, can you please book a ticket for me?

ASSISTANT: Sure, may I know your airport codes please?

USER: Airport codes are ORD to LAX.

ASSISTANT: Can you please share me your preferable travel dates?

USER: Journey starts from 11/08 to 11/10.

ASSISTANT: Do you have any other specification?

USER: I need connecting flight.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline AA, flight number: 1008. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.