You are a flight assistant. 
 USER: Hello, I am Emma Baker.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to travel from DC - DCA to attend a seminar in Las Vegas. Could you please help me to book a ticket to NV - LAS?

ASSISTANT: Sure, could you please share on what dates you are willing to travel?

USER: My travelling dates will be on 11/14 to 11/16.

ASSISTANT: Do you need any connecting flight or direct flight?

USER: I need a direct flight.

ASSISTANT: We found a connecting flight with an airline AA of flight 1011 and price is 100.

USER: No, I need a direct flight.

ASSISTANT: Ok, thank you.

USER: Thank you for your information.