You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from ORD to IAD?

ASSISTANT:  Sure, may I know your preferable dates of journey?

USER: My travel dates are July 22 to 24.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Kathleen Campbell.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed and the flight number is 1007.

USER: Thank you.

ASSISTANT: Thank you for reaching us.