You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Brian Jones. I want to book a ticket from ORD to IAD, can you help me?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travel dates are May 07 and May 09.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: I want to departure in the afternoon.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Brian Jones, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: You can book it.

ASSISTANT: Your booking is confirmed with 1000 flight number and the departure time is 15:00 PM, arrival time is 10:00 AM.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for contacting us.