You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Could you help me in booking a flight ticket from LAS to IAD?

ASSISTANT: Sure, I am glad to help you. May I know your preferable dates?

USER: I want to fly on Oct 30, return on Nov 01.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: Can I have your name please?

USER: My name is Anna Thomas.

ASSISTANT: Is there any other concerns?

USER: No.

ASSISTANT: The Southwest Airlines is providing best services for you in 1015 flight with a connection, shall I proceed?

USER: Ok, proceed to booking.

ASSISTANT: Ok, I have confirmed your booking in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.