You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a ticket from EWR to IAD, can you help me?

ASSISTANT: May I know your trip dates?

USER: My travel dates are 07/30 and 08/01.

ASSISTANT: Do you prefer any specifications?

USER: I need a connecting flight.

ASSISTANT: Delta airlines providing a connected flight with the fare 300.

USER: Book the ticket in the name of Ryan Williams.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you.