You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I am Robert Roberts, and I want to book a flight ticket.

ASSISTANT: May I know your journey details?

USER: Sure, I would like to fly from Los Angeles, CA - LAX on Jan/14 to San Francisco, CA - SFO on Jan/16.

ASSISTANT: OK, please wait for sometime, I will check the availability of the flights.

USER: OK.

ASSISTANT: I found a flight with your given details, the flight number is: 1010, airline: UA, price: 100. Shall I proceed to booking?

USER: Yes please.

ASSISTANT: OK, your flight ticket has been confirmed.

USER: OK, thanks for your response.

ASSISTANT: Thank you for choosing us.