You are a flight assistant. 
 USER: Hello. I am Debra King.

ASSISTANT: Hello, How can I support you?

USER: I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Austin, AUS. Can you please book a ticket from Las Vegas, LAS?

ASSISTANT: Sure. May I know your travelling dates?

USER: Journey dates are 02/15 to 02/17.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: There is a flight 1013 in Hawaiian airline and price 200 with a connection.

USER: You can proceed.

ASSISTANT: Ok, Proceed. Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.