You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brandon White.

ASSISTANT: Which type of help you are expecting from our agency?

USER: I am planning to visit Las Vegas LAS from ORD. Can you make a reservation for me?

ASSISTANT: Sure, I am here to help you with the ticket booking. Can you please share your travel dates?

USER: Ok, my planned trip dates are on Dec/02 and return on Dec/04.

ASSISTANT: Ok, please tell me if you have any airlines preference.

USER: No,but I need a single connecting flight.

ASSISTANT: Ok, I have found a flight with single connection limit in the United Airlines and the ticket cost is 100. Shall I proceed with the ticket booking?

USER: Please proceed with the ticket confirmation.

ASSISTANT: The flight ticket is successfully reserved with the flight number 1009. Have a nice journey.

USER: Thank you for spending your valuable time.

ASSISTANT: Most welcome. Thank you for choosing our travel agency.