You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Hill.

ASSISTANT: How can I help you today?

USER: I want to book a ticket from CLT to DCA, can you help me to book a flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: My trip dates are on June 05 and June 07.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: JetBlue airline is available with the price of 100 and one connection. Can I proceed with the booking?

USER: Do not proceed.

ASSISTANT: Thank you for reaching us.

USER: Thank you.